111339072 has 84 divisors (see below), whose sum is σ = 343705180. Its totient is φ = 34255872.

The previous prime is 111339049. The next prime is 111339119. The reversal of 111339072 is 270933111.

It can be written as a sum of positive squares in 2 ways, for example, as 21013056 + 90326016 = 4584^2 + 9504^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 54 + ... + 14922.

Almost surely, 2^111339072 is an apocalyptic number.

111339072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111339072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171852590).

111339072 is an abundant number, since it is smaller than the sum of its proper divisors (232366108).

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

111339072 is a wasteful number, since it uses less digits than its factorization.

111339072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14900 (or 14887 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 111339072 is about 10551.7331277852. The cubic root of 111339072 is about 481.0784086746.

The spelling of 111339072 in words is "one hundred eleven million, three hundred thirty-nine thousand, seventy-two".