125458857 has 12 divisors (see below), whose sum is σ = 182374660. Its totient is φ = 83105568.

The previous prime is 125458849. The next prime is 125458871. The reversal of 125458857 is 758854521.

125458857 is a `hidden beast` number, since 12 + 5 + 4 + 588 + 57 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 80622441 + 44836416 = 8979^2 + 6696^2 .

It is not a de Polignac number, because 125458857 - 2³ = 125458849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125458807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42982 + ... + 45807.

Almost surely, 2^125458857 is an apocalyptic number.

It is an amenable number.

125458857 is a deficient number, since it is larger than the sum of its proper divisors (56915803).

125458857 is a wasteful number, since it uses less digits than its factorization.

125458857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88952 (or 88949 counting only the distinct ones).

The product of its digits is 448000, while the sum is 45.

The square root of 125458857 is about 11200.8417987221. The cubic root of 125458857 is about 500.6110622350.

The spelling of 125458857 in words is "one hundred twenty-five million, four hundred fifty-eight thousand, eight hundred fifty-seven".