128851332 has 24 divisors (see below), whose sum is σ = 302820000. Its totient is φ = 42640896.

The previous prime is 128851309. The next prime is 128851361. The reversal of 128851332 is 233158821.

It is a junction number, because it is equal to n+sod(n) for n = 128851293 and 128851302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36957 + ... + 40292.

It is an arithmetic number, because the mean of its divisors is an integer number (12617500).

Almost surely, 2^128851332 is an apocalyptic number.

128851332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128851332 is an abundant number, since it is smaller than the sum of its proper divisors (173968668).

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

128851332 is a wasteful number, since it uses less digits than its factorization.

128851332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77395 (or 77393 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 128851332 is about 11351.2700610989. The cubic root of 128851332 is about 505.0832552342.

The spelling of 128851332 in words is "one hundred twenty-eight million, eight hundred fifty-one thousand, three hundred thirty-two".