125673864 has 64 divisors (see below), whose sum is σ = 328458240. Its totient is φ = 40031040.

The previous prime is 125673857. The next prime is 125673871. The reversal of 125673864 is 468376521.

It is an interprime number because it is at equal distance from previous prime (125673857) and next prime (125673871).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47209 + ... + 49799.

It is an arithmetic number, because the mean of its divisors is an integer number (5132160).

Almost surely, 2^125673864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125673864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164229120).

125673864 is an abundant number, since it is smaller than the sum of its proper divisors (202784376).

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

125673864 is a wasteful number, since it uses less digits than its factorization.

125673864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690 (or 2686 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 125673864 is about 11210.4354955550. The cubic root of 125673864 is about 500.8968755997.

The spelling of 125673864 in words is "one hundred twenty-five million, six hundred seventy-three thousand, eight hundred sixty-four".