128371095 has 32 divisors (see below), whose sum is σ = 228925440. Its totient is φ = 68251680.

The previous prime is 128371043. The next prime is 128371109. The reversal of 128371095 is 590173821.

It is not a de Polignac number, because 128371095 - 2⁷ = 128370967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48250 + ... + 50840.

It is an arithmetic number, because the mean of its divisors is an integer number (7153920).

Almost surely, 2^128371095 is an apocalyptic number.

128371095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

128371095 is a deficient number, since it is larger than the sum of its proper divisors (100554345).

128371095 is a wasteful number, since it uses less digits than its factorization.

128371095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972 (or 2966 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 128371095 is about 11330.0968663114. The cubic root of 128371095 is about 504.4549817192.

The spelling of 128371095 in words is "one hundred twenty-eight million, three hundred seventy-one thousand, ninety-five".