128088695 has 12 divisors (see below), whose sum is σ = 178801704. Its totient is φ = 87832080.

The previous prime is 128088673. The next prime is 128088707. The reversal of 128088695 is 596880821.

It is not a de Polignac number, because 128088695 - 2¹⁰ = 128087671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261161 + ... + 261650.

It is an arithmetic number, because the mean of its divisors is an integer number (14900142).

Almost surely, 2^128088695 is an apocalyptic number.

128088695 is a deficient number, since it is larger than the sum of its proper divisors (50713009).

128088695 is an equidigital number, since it uses as much as digits as its factorization.

128088695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522830 (or 522823 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 47.

The square root of 128088695 is about 11317.6276224304. The cubic root of 128088695 is about 504.0847979747.

The spelling of 128088695 in words is "one hundred twenty-eight million, eighty-eight thousand, six hundred ninety-five".