Is 123005 a prime number?

123 005 is an odd number, because it is not evenly divisible by 2.

Find out more:

• 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 123 005 is about 350.721.

Thus, the square root of 123 005 is not an integer, and therefore 123 005 is not a square number.

The square of a number (here 123 005) is the result of the product of this number (123 005) by itself (i.e., 123 005 × 123 005); the square of 123 005 is sometimes called "raising 123 005 to the power 2", or "123 005 squared".

The square of 123 005 is 15 130 230 025 because 123 005 × 123 005 = 123 005² = 15 130 230 025.

As a consequence, 123 005 is the square root of 15 130 230 025.

123 005 is a number with 6 digits.

The multiples of 123 005 are all integers evenly divisible by 123 005, that is all numbers such that the remainder of the division by 123 005 is zero. There are infinitely many multiples of 123 005. The smallest multiples of 123 005 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 123 005 too, since 0 × 123 005 = 0
• 123 005: indeed, 123 005 is a multiple of itself, since 123 005 is evenly divisible by 123 005 (we have 123 005 / 123 005 = 1, so the remainder of this division is indeed zero)
• 246 010: indeed, 246 010 = 123 005 × 2
• 369 015: indeed, 369 015 = 123 005 × 3
• 492 020: indeed, 492 020 = 123 005 × 4
• 615 025: indeed, 615 025 = 123 005 × 5
• etc.

• Preceding numbers: …123 003, 123 004
• Following numbers: 123 006, 123 007…

Nearest numbers from 123 005

• Preceding prime number: 123 001
• Following prime number: 123 007