128904127530 has 32 divisors (see below), whose sum is σ = 310074652800. Its totient is φ = 34296128832.

The previous prime is 128904127453. The next prime is 128904127537. The reversal of 128904127530 is 35721409821.

It is not an unprimeable number, because it can be changed into a prime (128904127537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4880685 + ... + 4907024.

It is an arithmetic number, because the mean of its divisors is an integer number (9689832900).

Almost surely, 2^128904127530 is an apocalyptic number.

128904127530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128904127530 is an abundant number, since it is smaller than the sum of its proper divisors (181170525270).

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

128904127530 is a wasteful number, since it uses less digits than its factorization.

128904127530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9788158.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 128904127530 in words is "one hundred twenty-eight billion, nine hundred four million, one hundred twenty-seven thousand, five hundred thirty".