128606995 has 16 divisors (see below), whose sum is σ = 169856352. Its totient is φ = 92700160.

The previous prime is 128606987. The next prime is 128607001. The reversal of 128606995 is 599606821.

It is not a de Polignac number, because 128606995 - 2³ = 128606987 is a prime.

It is a Duffinian number.

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, 4132 + ... + 16561.

It is an arithmetic number, because the mean of its divisors is an integer number (10616022).

Almost surely, 2^128606995 is an apocalyptic number.

128606995 is a deficient number, since it is larger than the sum of its proper divisors (41249357).

128606995 is a wasteful number, since it uses less digits than its factorization.

128606995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20822.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 128606995 is about 11340.5024139145. The cubic root of 128606995 is about 504.7637950359.

The spelling of 128606995 in words is "one hundred twenty-eight million, six hundred six thousand, nine hundred ninety-five".