125853864 has 16 divisors (see below), whose sum is σ = 314634720. Its totient is φ = 41951280.

The previous prime is 125853859. The next prime is 125853883. The reversal of 125853864 is 468358521.

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, 2621932 + ... + 2621979.

It is an arithmetic number, because the mean of its divisors is an integer number (19664670).

Almost surely, 2^125853864 is an apocalyptic number.

It is an amenable number.

125853864 is an abundant number, since it is smaller than the sum of its proper divisors (188780856).

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

125853864 is a wasteful number, since it uses less digits than its factorization.

125853864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5243920 (or 5243916 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 125853864 is about 11218.4608569982. The cubic root of 125853864 is about 501.1359028287.

The spelling of 125853864 in words is "one hundred twenty-five million, eight hundred fifty-three thousand, eight hundred sixty-four".