128064995 has 16 divisors (see below), whose sum is σ = 164954880. Its totient is φ = 95099904.

The previous prime is 128064977. The next prime is 128065019. The reversal of 128064995 is 599460821.

It is not a de Polignac number, because 128064995 - 2⁶ = 128064931 is a prime.

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, 4115 + ... + 16524.

It is an arithmetic number, because the mean of its divisors is an integer number (10309680).

Almost surely, 2^128064995 is an apocalyptic number.

128064995 is a deficient number, since it is larger than the sum of its proper divisors (36889885).

128064995 is a wasteful number, since it uses less digits than its factorization.

128064995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20734.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 128064995 is about 11316.5805347729. The cubic root of 128064995 is about 504.0537061166.

The spelling of 128064995 in words is "one hundred twenty-eight million, sixty-four thousand, nine hundred ninety-five".