125321690108 has 36 divisors (see below), whose sum is σ = 238015826496. Its totient is φ = 57536448000.

The previous prime is 125321690083. The next prime is 125321690111. The reversal of 125321690108 is 801096123521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433868 + ... + 662483.

It is an arithmetic number, because the mean of its divisors is an integer number (6611550736).

Almost surely, 2^125321690108 is an apocalyptic number.

It is an amenable number.

125321690108 is a deficient number, since it is larger than the sum of its proper divisors (112694136388).

125321690108 is a wasteful number, since it uses less digits than its factorization.

125321690108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096454 (or 1096411 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 125321690108 in words is "one hundred twenty-five billion, three hundred twenty-one million, six hundred ninety thousand, one hundred eight".