128604552 has 16 divisors (see below), whose sum is σ = 321511440. Its totient is φ = 42868176.

The previous prime is 128604547. The next prime is 128604571. The reversal of 128604552 is 255406821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2679238 + ... + 2679285.

It is an arithmetic number, because the mean of its divisors is an integer number (20094465).

Almost surely, 2^128604552 is an apocalyptic number.

128604552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128604552 is an abundant number, since it is smaller than the sum of its proper divisors (192906888).

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

128604552 is a wasteful number, since it uses less digits than its factorization.

128604552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358532 (or 5358528 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 128604552 is about 11340.3947021257. The cubic root of 128604552 is about 504.7605988755.

The spelling of 128604552 in words is "one hundred twenty-eight million, six hundred four thousand, five hundred fifty-two".