128802002 has 16 divisors (see below), whose sum is σ = 221363712. Its totient is φ = 55060800.

The previous prime is 128801989. The next prime is 128802019. The reversal of 128802002 is 200208821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5858 + ... + 17085.

It is an arithmetic number, because the mean of its divisors is an integer number (13835232).

Almost surely, 2^128802002 is an apocalyptic number.

128802002 is a deficient number, since it is larger than the sum of its proper divisors (92561710).

128802002 is a wasteful number, since it uses less digits than its factorization.

128802002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23353.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 128802002 is about 11349.0969684817. The cubic root of 128802002 is about 505.0187909225.

The spelling of 128802002 in words is "one hundred twenty-eight million, eight hundred two thousand, two".