128525276 has 12 divisors (see below), whose sum is σ = 245366520. Its totient is φ = 58420560.

The previous prime is 128525269. The next prime is 128525281. The reversal of 128525276 is 672525821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460471 + ... + 1460558.

It is an arithmetic number, because the mean of its divisors is an integer number (20447210).

Almost surely, 2^128525276 is an apocalyptic number.

It is an amenable number.

128525276 is a deficient number, since it is larger than the sum of its proper divisors (116841244).

128525276 is a wasteful number, since it uses less digits than its factorization.

128525276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921044 (or 2921042 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 128525276 is about 11336.8988705025. The cubic root of 128525276 is about 504.6568606441.

The spelling of 128525276 in words is "one hundred twenty-eight million, five hundred twenty-five thousand, two hundred seventy-six".