Is 978121 a prime number?

978 121 is an odd number, because it is not evenly divisible by 2.

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• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 978 121 is 989.

Therefore, the square root of 978 121 is an integer, and as a consequence 978 121 is a perfect square.

As a consequence, 989 is the square root of 978 121.

The square of a number (here 978 121) is the result of the product of this number (978 121) by itself (i.e., 978 121 × 978 121); the square of 978 121 is sometimes called "raising 978 121 to the power 2", or "978 121 squared".

The square of 978 121 is 956 720 690 641 because 978 121 × 978 121 = 978 121² = 956 720 690 641.

As a consequence, 978 121 is the square root of 956 720 690 641.

978 121 is a number with 6 digits.

The multiples of 978 121 are all integers evenly divisible by 978 121, that is all numbers such that the remainder of the division by 978 121 is zero. There are infinitely many multiples of 978 121. The smallest multiples of 978 121 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 978 121 too, since 0 × 978 121 = 0
• 978 121: indeed, 978 121 is a multiple of itself, since 978 121 is evenly divisible by 978 121 (we have 978 121 / 978 121 = 1, so the remainder of this division is indeed zero)
• 1 956 242: indeed, 1 956 242 = 978 121 × 2
• 2 934 363: indeed, 2 934 363 = 978 121 × 3
• 3 912 484: indeed, 3 912 484 = 978 121 × 4
• 4 890 605: indeed, 4 890 605 = 978 121 × 5
• etc.

• Preceding numbers: …978 119, 978 120
• Following numbers: 978 122, 978 123…

Nearest numbers from 978 121

• Preceding prime number: 978 113
• Following prime number: 978 149