128841575 has 6 divisors (see below), whose sum is σ = 159763584. Its totient is φ = 103073240.

The previous prime is 128841551. The next prime is 128841599. The reversal of 128841575 is 575148821.

It is an interprime number because it is at equal distance from previous prime (128841551) and next prime (128841599).

It is not a de Polignac number, because 128841575 - 2⁸ = 128841319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2576807 + ... + 2576856.

It is an arithmetic number, because the mean of its divisors is an integer number (26627264).

Almost surely, 2^128841575 is an apocalyptic number.

128841575 is a deficient number, since it is larger than the sum of its proper divisors (30922009).

128841575 is an equidigital number, since it uses as much as digits as its factorization.

128841575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5153673 (or 5153668 counting only the distinct ones).

The product of its digits is 89600, while the sum is 41.

The square root of 128841575 is about 11350.8402772658. The cubic root of 128841575 is about 505.0705061182.

The spelling of 128841575 in words is "one hundred twenty-eight million, eight hundred forty-one thousand, five hundred seventy-five".