128804682 has 32 divisors (see below), whose sum is σ = 273428352. Its totient is φ = 40310784.

The previous prime is 128804677. The next prime is 128804713. The reversal of 128804682 is 286408821.

It is a super-2 number, since 2×128804682² = 33181292210242248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 128804682.

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, 48378 + ... + 50970.

It is an arithmetic number, because the mean of its divisors is an integer number (8544636).

Almost surely, 2^128804682 is an apocalyptic number.

128804682 is an abundant number, since it is smaller than the sum of its proper divisors (144623670).

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

128804682 is a wasteful number, since it uses less digits than its factorization.

128804682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102.

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 128804682 is about 11349.2150389355. The cubic root of 128804682 is about 505.0222935621.

The spelling of 128804682 in words is "one hundred twenty-eight million, eight hundred four thousand, six hundred eighty-two".