128472800 has 36 divisors (see below), whose sum is σ = 313636176. Its totient is φ = 51388800.

The previous prime is 128472797. The next prime is 128472811. The reversal of 128472800 is 8274821.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 79496 + ... + 81095.

It is an arithmetic number, because the mean of its divisors is an integer number (8712116).

Almost surely, 2^128472800 is an apocalyptic number.

128472800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128472800 is an abundant number, since it is smaller than the sum of its proper divisors (185163376).

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

128472800 is a wasteful number, since it uses less digits than its factorization.

128472800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160611 (or 160598 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 128472800 is about 11334.5842446911. The cubic root of 128472800 is about 504.5881686347.

The spelling of 128472800 in words is "one hundred twenty-eight million, four hundred seventy-two thousand, eight hundred".