128102951724 has 24 divisors (see below), whose sum is σ = 326080241088. Its totient is φ = 38819076240.

The previous prime is 128102951707. The next prime is 128102951771. The reversal of 128102951724 is 427159201821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485238322 + ... + 485238585.

It is an arithmetic number, because the mean of its divisors is an integer number (13586676712).

Almost surely, 2^128102951724 is an apocalyptic number.

It is an amenable number.

128102951724 is an abundant number, since it is smaller than the sum of its proper divisors (197977289364).

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

128102951724 is a wasteful number, since it uses less digits than its factorization.

128102951724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970476925 (or 970476923 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 128102951724 in words is "one hundred twenty-eight billion, one hundred two million, nine hundred fifty-one thousand, seven hundred twenty-four".