125289868 has 12 divisors (see below), whose sum is σ = 239189832. Its totient is φ = 56949920.

The previous prime is 125289859. The next prime is 125289877. The reversal of 125289868 is 868982521.

It is an interprime number because it is at equal distance from previous prime (125289859) and next prime (125289877).

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, 1423705 + ... + 1423792.

It is an arithmetic number, because the mean of its divisors is an integer number (19932486).

Almost surely, 2^125289868 is an apocalyptic number.

It is an amenable number.

125289868 is a deficient number, since it is larger than the sum of its proper divisors (113899964).

125289868 is a wasteful number, since it uses less digits than its factorization.

125289868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847512 (or 2847510 counting only the distinct ones).

The product of its digits is 552960, while the sum is 49.

The square root of 125289868 is about 11193.2956719636. The cubic root of 125289868 is about 500.3861923009.

The spelling of 125289868 in words is "one hundred twenty-five million, two hundred eighty-nine thousand, eight hundred sixty-eight".