128102802 has 48 divisors (see below), whose sum is σ = 270915840. Its totient is φ = 40366144.

The previous prime is 128102791. The next prime is 128102833. The reversal of 128102802 is 208201821.

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 23 ways as a sum of consecutive naturals, for example, 267199 + ... + 267677.

It is an arithmetic number, because the mean of its divisors is an integer number (5644080).

Almost surely, 2^128102802 is an apocalyptic number.

128102802 is an abundant number, since it is smaller than the sum of its proper divisors (142813038).

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

128102802 is a wasteful number, since it uses less digits than its factorization.

128102802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 128102802 is about 11318.2508365913. The cubic root of 128102802 is about 504.1033030250.

The spelling of 128102802 in words is "one hundred twenty-eight million, one hundred two thousand, eight hundred two".