128585597 has 16 divisors (see below), whose sum is σ = 155840640. Its totient is φ = 103638528.

The previous prime is 128585557. The next prime is 128585599. The reversal of 128585597 is 795585821.

It is a happy number.

It is not a de Polignac number, because 128585597 - 2¹⁴ = 128569213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128585599) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14693 + ... + 21749.

It is an arithmetic number, because the mean of its divisors is an integer number (9740040).

Almost surely, 2^128585597 is an apocalyptic number.

It is an amenable number.

128585597 is a deficient number, since it is larger than the sum of its proper divisors (27255043).

128585597 is a wasteful number, since it uses less digits than its factorization.

128585597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7220.

The product of its digits is 1008000, while the sum is 50.

The square root of 128585597 is about 11339.5589420400. The cubic root of 128585597 is about 504.7357988014.

The spelling of 128585597 in words is "one hundred twenty-eight million, five hundred eighty-five thousand, five hundred ninety-seven".