128018804 has 12 divisors (see below), whose sum is σ = 224193984. Its totient is φ = 63963384.

The previous prime is 128018801. The next prime is 128018819. The reversal of 128018804 is 408810821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128018801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4814 + ... + 16709.

It is an arithmetic number, because the mean of its divisors is an integer number (18682832).

Almost surely, 2^128018804 is an apocalyptic number.

It is an amenable number.

128018804 is a deficient number, since it is larger than the sum of its proper divisors (96175180).

128018804 is a wasteful number, since it uses less digits than its factorization.

128018804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23014 (or 23012 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 32.

The square root of 128018804 is about 11314.5394957108. The cubic root of 128018804 is about 503.9930974531.

The spelling of 128018804 in words is "one hundred twenty-eight million, eighteen thousand, eight hundred four".