128028882 has 16 divisors (see below), whose sum is σ = 256242240. Its totient is φ = 42645552.

The previous prime is 128028877. The next prime is 128028889. The reversal of 128028882 is 288820821.

It is a self number, because there is not a number n which added to its sum of digits gives 128028882.

It is not an unprimeable number, because it can be changed into a prime (128028889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2344 + ... + 16172.

It is an arithmetic number, because the mean of its divisors is an integer number (16015140).

Almost surely, 2^128028882 is an apocalyptic number.

128028882 is an abundant number, since it is smaller than the sum of its proper divisors (128213358).

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

128028882 is a wasteful number, since it uses less digits than its factorization.

128028882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15377.

The product of its (nonzero) digits is 32768, while the sum is 39.

The square root of 128028882 is about 11314.9848431184. The cubic root of 128028882 is about 504.0063223571.

The spelling of 128028882 in words is "one hundred twenty-eight million, twenty-eight thousand, eight hundred eighty-two".