128804968 has 16 divisors (see below), whose sum is σ = 252010080. Its totient is φ = 61602288.

The previous prime is 128804953. The next prime is 128805007. The reversal of 128804968 is 869408821.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 349830 + ... + 350197.

It is an arithmetic number, because the mean of its divisors is an integer number (15750630).

Almost surely, 2^128804968 is an apocalyptic number.

It is an amenable number.

128804968 is a deficient number, since it is larger than the sum of its proper divisors (123205112).

128804968 is a wasteful number, since it uses less digits than its factorization.

128804968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700056 (or 700052 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 128804968 is about 11349.2276389189. The cubic root of 128804968 is about 505.0226673484.

The spelling of 128804968 in words is "one hundred twenty-eight million, eight hundred four thousand, nine hundred sixty-eight".