128304372 has 48 divisors (see below), whose sum is σ = 362275200. Its totient is φ = 34501632.

The previous prime is 128304343. The next prime is 128304383. The reversal of 128304372 is 273403821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43497 + ... + 46352.

It is an arithmetic number, because the mean of its divisors is an integer number (7547400).

Almost surely, 2^128304372 is an apocalyptic number.

128304372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128304372 is an abundant number, since it is smaller than the sum of its proper divisors (233970828).

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

128304372 is a wasteful number, since it uses less digits than its factorization.

128304372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89880 (or 89878 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 128304372 is about 11327.1519809703. The cubic root of 128304372 is about 504.3675669654.

The spelling of 128304372 in words is "one hundred twenty-eight million, three hundred four thousand, three hundred seventy-two".