128480904 has 192 divisors, whose sum is σ = 389188800. Its totient is φ = 39626496.

The previous prime is 128480881. The next prime is 128480923. The reversal of 128480904 is 409084821.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 2424142 + ... + 2424194.

It is an arithmetic number, because the mean of its divisors is an integer number (2027025).

Almost surely, 2^128480904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128480904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194594400).

128480904 is an abundant number, since it is smaller than the sum of its proper divisors (260707896).

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

128480904 is a wasteful number, since it uses less digits than its factorization.

128480904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 128480904 is about 11334.9417290077. The cubic root of 128480904 is about 504.5987781347.

The spelling of 128480904 in words is "one hundred twenty-eight million, four hundred eighty thousand, nine hundred four".