It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 240 124 is not a prime number.
For example, 240 124 can be divided by 2: 240 124 / 2 = 120 062.
For 240 124 to be a prime number, it would have been required that 240 124 has only two divisors, i.e., itself and 1.
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240 124 is an even number, because it is evenly divisible by 2: 240 124 / 2 = 120 062.
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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 240 124 is about 490.024.
Thus, the square root of 240 124 is not an integer, and therefore 240 124 is not a square number.
The square of a number (here 240 124) is the result of the product of this number (240 124) by itself (i.e., 240 124 × 240 124); the square of 240 124 is sometimes called "raising 240 124 to the power 2", or "240 124 squared".
The square of 240 124 is 57 659 535 376 because 240 124 × 240 124 = 240 1242 = 57 659 535 376.
As a consequence, 240 124 is the square root of 57 659 535 376.
The multiples of 240 124 are all integers evenly divisible by 240 124, that is all numbers such that the remainder of the division by 240 124 is zero. There are infinitely many multiples of 240 124. The smallest multiples of 240 124 are: