128808452 has 24 divisors (see below), whose sum is σ = 227853696. Its totient is φ = 63711648.

The previous prime is 128808397. The next prime is 128808457. The reversal of 128808452 is 254808821.

It is not an unprimeable number, because it can be changed into a prime (128808457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277973 + ... + 278435.

It is an arithmetic number, because the mean of its divisors is an integer number (9493904).

Almost surely, 2^128808452 is an apocalyptic number.

It is an amenable number.

128808452 is a deficient number, since it is larger than the sum of its proper divisors (99045244).

128808452 is a wasteful number, since it uses less digits than its factorization.

128808452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 38.

The square root of 128808452 is about 11349.3811285021. The cubic root of 128808452 is about 505.0272207005.

The spelling of 128808452 in words is "one hundred twenty-eight million, eight hundred eight thousand, four hundred fifty-two".