128633804 has 48 divisors (see below), whose sum is σ = 248277120. Its totient is φ = 57957120.

The previous prime is 128633803. The next prime is 128633831. The reversal of 128633804 is 408336821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (128633801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710594 + ... + 710774.

It is an arithmetic number, because the mean of its divisors is an integer number (5172440).

Almost surely, 2^128633804 is an apocalyptic number.

It is an amenable number.

128633804 is a deficient number, since it is larger than the sum of its proper divisors (119643316).

128633804 is a wasteful number, since it uses less digits than its factorization.

128633804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 128633804 is about 11341.6843546274. The cubic root of 128633804 is about 504.7988664108.

The spelling of 128633804 in words is "one hundred twenty-eight million, six hundred thirty-three thousand, eight hundred four".