128841832 has 16 divisors (see below), whose sum is σ = 276089760. Its totient is φ = 55217904.

The previous prime is 128841767. The next prime is 128841851. The reversal of 128841832 is 238148821.

It is a junction number, because it is equal to n+sod(n) for n = 128841791 and 128841800.

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, 1150318 + ... + 1150429.

It is an arithmetic number, because the mean of its divisors is an integer number (17255610).

Almost surely, 2^128841832 is an apocalyptic number.

It is an amenable number.

128841832 is an abundant number, since it is smaller than the sum of its proper divisors (147247928).

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

128841832 is a wasteful number, since it uses less digits than its factorization.

128841832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300760 (or 2300756 counting only the distinct ones).

The product of its digits is 24576, while the sum is 37.

The square root of 128841832 is about 11350.8515980080. The cubic root of 128841832 is about 505.0708419390.

The spelling of 128841832 in words is "one hundred twenty-eight million, eight hundred forty-one thousand, eight hundred thirty-two".