125009999874 has 12 divisors (see below), whose sum is σ = 270854999766. Its totient is φ = 41669999952.

The previous prime is 125009999767. The next prime is 125009999893. The reversal of 125009999874 is 478999900521.

It can be written as a sum of positive squares in only one way, i.e., 71239346649 + 53770653225 = 266907^2 + 231885^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3472499979 + ... + 3472500014.

Almost surely, 2^125009999874 is an apocalyptic number.

125009999874 is an abundant number, since it is smaller than the sum of its proper divisors (145844999892).

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

125009999874 is a wasteful number, since it uses less digits than its factorization.

125009999874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6945000001 (or 6944999998 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 63.

The spelling of 125009999874 in words is "one hundred twenty-five billion, nine million, nine hundred ninety-nine thousand, eight hundred seventy-four".