128922376 has 16 divisors (see below), whose sum is σ = 263705040. Its totient is φ = 58601040.

The previous prime is 128922347. The next prime is 128922389. The reversal of 128922376 is 673229821.

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, 732426 + ... + 732601.

It is an arithmetic number, because the mean of its divisors is an integer number (16481565).

Almost surely, 2^128922376 is an apocalyptic number.

It is an amenable number.

128922376 is an abundant number, since it is smaller than the sum of its proper divisors (134782664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128922376 is a wasteful number, since it uses less digits than its factorization.

128922376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465044 (or 1465040 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 128922376 is about 11354.3989713238. The cubic root of 128922376 is about 505.1760664385.

The spelling of 128922376 in words is "one hundred twenty-eight million, nine hundred twenty-two thousand, three hundred seventy-six".