111332928 has 56 divisors (see below), whose sum is σ = 336653632. Its totient is φ = 31809024.

The previous prime is 111332887. The next prime is 111332929. The reversal of 111332928 is 829233111.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 111332895 and 111332904.

It is not an unprimeable number, because it can be changed into a prime (111332929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40075 + ... + 42762.

It is an arithmetic number, because the mean of its divisors is an integer number (6011672).

Almost surely, 2^111332928 is an apocalyptic number.

It is an amenable number.

111332928 is an abundant number, since it is smaller than the sum of its proper divisors (225320704).

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

111332928 is an equidigital number, since it uses as much as digits as its factorization.

111332928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82859 (or 82849 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 111332928 is about 10551.4419867618. The cubic root of 111332928 is about 481.0695594298.

The spelling of 111332928 in words is "one hundred eleven million, three hundred thirty-two thousand, nine hundred twenty-eight".