128794704 has 20 divisors (see below), whose sum is σ = 332719776. Its totient is φ = 42931552.

The previous prime is 128794693. The next prime is 128794709. The reversal of 128794704 is 407497821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128794709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341564 + ... + 1341659.

Almost surely, 2^128794704 is an apocalyptic number.

It is an amenable number.

128794704 is an abundant number, since it is smaller than the sum of its proper divisors (203925072).

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

128794704 is a wasteful number, since it uses less digits than its factorization.

128794704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683234 (or 2683228 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 128794704 is about 11348.7754405486. The cubic root of 128794704 is about 505.0092525181.

The spelling of 128794704 in words is "one hundred twenty-eight million, seven hundred ninety-four thousand, seven hundred four".