125064257 has 16 divisors (see below), whose sum is σ = 135224640. Its totient is φ = 115241472.

The previous prime is 125064197. The next prime is 125064307. The reversal of 125064257 is 752460521.

It is a cyclic number.

It is not a de Polignac number, because 125064257 - 2¹⁰ = 125063233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125064857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221858 + ... + 222420.

It is an arithmetic number, because the mean of its divisors is an integer number (8451540).

Almost surely, 2^125064257 is an apocalyptic number.

125064257 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

125064257 is a deficient number, since it is larger than the sum of its proper divisors (10160383).

125064257 is a wasteful number, since it uses less digits than its factorization.

125064257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 125064257 is about 11183.2131786889. The cubic root of 125064257 is about 500.0856613234.

The spelling of 125064257 in words is "one hundred twenty-five million, sixty-four thousand, two hundred fifty-seven".