125328757 has 2 divisors, whose sum is σ = 125328758. Its totient is φ = 125328756.

The previous prime is 125328751. The next prime is 125328781. The reversal of 125328757 is 757823521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73977201 + 51351556 = 8601^2 + 7166^2 .

It is a cyclic number.

It is not a de Polignac number, because 125328757 - 2²³ = 116940149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125328751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62664378 + 62664379.

It is an arithmetic number, because the mean of its divisors is an integer number (62664379).

Almost surely, 2^125328757 is an apocalyptic number.

It is an amenable number.

125328757 is a deficient number, since it is larger than the sum of its proper divisors (1).

125328757 is an equidigital number, since it uses as much as digits as its factorization.

125328757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 40.

The square root of 125328757 is about 11195.0326931189. The cubic root of 125328757 is about 500.4379589386.

The spelling of 125328757 in words is "one hundred twenty-five million, three hundred twenty-eight thousand, seven hundred fifty-seven".