125689974 has 16 divisors (see below), whose sum is σ = 251716080. Its totient is φ = 41840640.

The previous prime is 125689939. The next prime is 125690003. The reversal of 125689974 is 479986521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9007 + ... + 18234.

It is an arithmetic number, because the mean of its divisors is an integer number (15732255).

Almost surely, 2^125689974 is an apocalyptic number.

125689974 is an abundant number, since it is smaller than the sum of its proper divisors (126026106).

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

125689974 is a wasteful number, since it uses less digits than its factorization.

125689974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28015.

The product of its digits is 1088640, while the sum is 51.

The square root of 125689974 is about 11211.1539994775. The cubic root of 125689974 is about 500.9182778325.

The spelling of 125689974 in words is "one hundred twenty-five million, six hundred eighty-nine thousand, nine hundred seventy-four".