125925057 has 32 divisors (see below), whose sum is σ = 191433600. Its totient is φ = 81782784.

The previous prime is 125925043. The next prime is 125925061. The reversal of 125925057 is 750529521.

125925057 is a `hidden beast` number, since 12 + 592 + 5 + 0 + 57 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-125925057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125925077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217953 + ... + 218529.

It is an arithmetic number, because the mean of its divisors is an integer number (5982300).

Almost surely, 2^125925057 is an apocalyptic number.

It is an amenable number.

125925057 is a deficient number, since it is larger than the sum of its proper divisors (65508543).

125925057 is a wasteful number, since it uses less digits than its factorization.

125925057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 125925057 is about 11221.6334372497. The cubic root of 125925057 is about 501.2303791840.

The spelling of 125925057 in words is "one hundred twenty-five million, nine hundred twenty-five thousand, fifty-seven".