128228804 has 24 divisors (see below), whose sum is σ = 246456000. Its totient is φ = 57891680.

The previous prime is 128228767. The next prime is 128228809. The reversal of 128228804 is 408822821.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (128228809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3224 + ... + 16335.

It is an arithmetic number, because the mean of its divisors is an integer number (10269000).

Almost surely, 2^128228804 is an apocalyptic number.

It is an amenable number.

128228804 is a deficient number, since it is larger than the sum of its proper divisors (118227196).

128228804 is a wasteful number, since it uses less digits than its factorization.

128228804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19723 (or 19721 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 128228804 is about 11323.8157879754. The cubic root of 128228804 is about 504.2685276449.

The spelling of 128228804 in words is "one hundred twenty-eight million, two hundred twenty-eight thousand, eight hundred four".