128100792 has 16 divisors (see below), whose sum is σ = 320252040. Its totient is φ = 42700256.

The previous prime is 128100779. The next prime is 128100809. The reversal of 128100792 is 297001821.

It is a super-2 number, since 2×128100792² = 32819625822054528, which contains 22 as substring.

It is a congruent number.

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, 2668743 + ... + 2668790.

Almost surely, 2^128100792 is an apocalyptic number.

128100792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128100792 is an abundant number, since it is smaller than the sum of its proper divisors (192151248).

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

128100792 is a wasteful number, since it uses less digits than its factorization.

128100792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337542 (or 5337538 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 128100792 is about 11318.1620416038. The cubic root of 128100792 is about 504.1006664630.

The spelling of 128100792 in words is "one hundred twenty-eight million, one hundred thousand, seven hundred ninety-two".