128252995 has 16 divisors (see below), whose sum is σ = 166007520. Its totient is φ = 94558464.

The previous prime is 128252977. The next prime is 128253001. The reversal of 128252995 is 599252821.

It is not a de Polignac number, because 128252995 - 2¹⁷ = 128121923 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, 54687 + ... + 56983.

It is an arithmetic number, because the mean of its divisors is an integer number (10375470).

Almost surely, 2^128252995 is an apocalyptic number.

128252995 is a deficient number, since it is larger than the sum of its proper divisors (37754525).

128252995 is a wasteful number, since it uses less digits than its factorization.

128252995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174.

The product of its digits is 129600, while the sum is 43.

The square root of 128252995 is about 11324.8838846144. The cubic root of 128252995 is about 504.3002365707.

The spelling of 128252995 in words is "one hundred twenty-eight million, two hundred fifty-two thousand, nine hundred ninety-five".