128594079 has 12 divisors (see below), whose sum is σ = 185845296. Its totient is φ = 85684032.

The previous prime is 128594009. The next prime is 128594093. The reversal of 128594079 is 970495821.

It is not a de Polignac number, because 128594079 - 2¹² = 128589983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128594009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32007 + ... + 35799.

It is an arithmetic number, because the mean of its divisors is an integer number (15487108).

Almost surely, 2^128594079 is an apocalyptic number.

128594079 is a deficient number, since it is larger than the sum of its proper divisors (57251217).

128594079 is a wasteful number, since it uses less digits than its factorization.

128594079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7566 (or 7563 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 128594079 is about 11339.9329363096. The cubic root of 128594079 is about 504.7468966616.

The spelling of 128594079 in words is "one hundred twenty-eight million, five hundred ninety-four thousand, seventy-nine".