128025583 has 12 divisors (see below), whose sum is σ = 150817440. Its totient is φ = 108343872.

The previous prime is 128025571. The next prime is 128025617. The reversal of 128025583 is 385520821.

It is not a de Polignac number, because 128025583 - 2⁵ = 128025551 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 (128025523) 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, 12666 + ... + 20407.

It is an arithmetic number, because the mean of its divisors is an integer number (12568120).

Almost surely, 2^128025583 is an apocalyptic number.

128025583 is a deficient number, since it is larger than the sum of its proper divisors (22791857).

128025583 is an equidigital number, since it uses as much as digits as its factorization.

128025583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33166 (or 33159 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 128025583 is about 11314.8390620459. The cubic root of 128025583 is about 504.0019933049.

The spelling of 128025583 in words is "one hundred twenty-eight million, twenty-five thousand, five hundred eighty-three".