128044698 has 16 divisors (see below), whose sum is σ = 258440160. Its totient is φ = 42289776.

The previous prime is 128044639. The next prime is 128044727. The reversal of 128044698 is 896440821.

It is a super-2 number, since 2×128044698² = 32790889371822408, which contains 22 as substring.

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, 97240 + ... + 98547.

It is an arithmetic number, because the mean of its divisors is an integer number (16152510).

Almost surely, 2^128044698 is an apocalyptic number.

128044698 is an abundant number, since it is smaller than the sum of its proper divisors (130395462).

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

128044698 is a wasteful number, since it uses less digits than its factorization.

128044698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195901.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 128044698 is about 11315.6837177433. The cubic root of 128044698 is about 504.0270755800.

The spelling of 128044698 in words is "one hundred twenty-eight million, forty-four thousand, six hundred ninety-eight".