128995675 has 6 divisors (see below), whose sum is σ = 159954668. Its totient is φ = 103196520.

The previous prime is 128995673. The next prime is 128995679. The reversal of 128995675 is 576599821.

It is not a de Polignac number, because 128995675 - 2¹ = 128995673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128995673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2579889 + ... + 2579938.

Almost surely, 2^128995675 is an apocalyptic number.

128995675 is a deficient number, since it is larger than the sum of its proper divisors (30958993).

128995675 is an equidigital number, since it uses as much as digits as its factorization.

128995675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5159837 (or 5159832 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 52.

The square root of 128995675 is about 11357.6262924962. The cubic root of 128995675 is about 505.2717878234.

The spelling of 128995675 in words is "one hundred twenty-eight million, nine hundred ninety-five thousand, six hundred seventy-five".