It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 122 508 is not a prime number.
For example, 122 508 can be divided by 2: 122 508 / 2 = 61 254.
For 122 508 to be a prime number, it would have been required that 122 508 has only two divisors, i.e., itself and 1.
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122 508 is an even number, because it is evenly divisible by 2: 122 508 / 2 = 61 254.
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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 122 508 is about 350.011.
Thus, the square root of 122 508 is not an integer, and therefore 122 508 is not a square number.
The square of a number (here 122 508) is the result of the product of this number (122 508) by itself (i.e., 122 508 × 122 508); the square of 122 508 is sometimes called "raising 122 508 to the power 2", or "122 508 squared".
The square of 122 508 is 15 008 210 064 because 122 508 × 122 508 = 122 5082 = 15 008 210 064.
As a consequence, 122 508 is the square root of 15 008 210 064.
The multiples of 122 508 are all integers evenly divisible by 122 508, that is all numbers such that the remainder of the division by 122 508 is zero. There are infinitely many multiples of 122 508. The smallest multiples of 122 508 are: