It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 988 120 137 is not a prime number.
For example, 988 120 137 can be divided by 3: 988 120 137 / 3 = 329 373 379.
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For 988 120 137 to be a prime number, it would have been required that 988 120 137 has only two divisors, i.e., itself and 1.
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988 120 137 is an odd number, because it is not evenly divisible by 2.
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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 988 120 137 is about 31 434.378.
Thus, the square root of 988 120 137 is not an integer, and therefore 988 120 137 is not a square number.
The square of a number (here 988 120 137) is the result of the product of this number (988 120 137) by itself (i.e., 988 120 137 × 988 120 137); the square of 988 120 137 is sometimes called "raising 988 120 137 to the power 2", or "988 120 137 squared".
The square of 988 120 137 is 976 381 405 144 898 816 because 988 120 137 × 988 120 137 = 988 120 1372 = 976 381 405 144 898 816.
As a consequence, 988 120 137 is the square root of 976 381 405 144 898 816.
988 120 137 is a number with 9 digits.
The multiples of 988 120 137 are all integers evenly divisible by 988 120 137, that is all numbers such that the remainder of the division by 988 120 137 is zero. There are infinitely many multiples of 988 120 137. The smallest multiples of 988 120 137 are: