125812856 has 16 divisors (see below), whose sum is σ = 254045400. Its totient is φ = 58067424.

The previous prime is 125812837. The next prime is 125812861. The reversal of 125812856 is 658218521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604766 + ... + 604973.

Almost surely, 2^125812856 is an apocalyptic number.

It is an amenable number.

125812856 is an abundant number, since it is smaller than the sum of its proper divisors (128232544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125812856 is a wasteful number, since it uses less digits than its factorization.

125812856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209758 (or 1209754 counting only the distinct ones).

The product of its digits is 38400, while the sum is 38.

The square root of 125812856 is about 11216.6330063883. The cubic root of 125812856 is about 501.0814671710.

The spelling of 125812856 in words is "one hundred twenty-five million, eight hundred twelve thousand, eight hundred fifty-six".