128882934 has 32 divisors (see below), whose sum is σ = 295649280. Its totient is φ = 41574600.

The previous prime is 128882927. The next prime is 128882953. The reversal of 128882934 is 439288821.

It is a super-2 number, since 2×128882934² = 33221621352896712, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 128882934.

It is a congruent number.

It is an unprimeable number.

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, 36822 + ... + 40169.

It is an arithmetic number, because the mean of its divisors is an integer number (9239040).

Almost surely, 2^128882934 is an apocalyptic number.

128882934 is an abundant number, since it is smaller than the sum of its proper divisors (166766346).

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

128882934 is a wasteful number, since it uses less digits than its factorization.

128882934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77033 (or 77027 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 128882934 is about 11352.6619785846. The cubic root of 128882934 is about 505.1245439971.

The spelling of 128882934 in words is "one hundred twenty-eight million, eight hundred eighty-two thousand, nine hundred thirty-four".