111453920 has 48 divisors (see below), whose sum is σ = 268930368. Its totient is φ = 43630080.

The previous prime is 111453913. The next prime is 111453941. The reversal of 111453920 is 29354111.

It is a self number, because there is not a number n which added to its sum of digits gives 111453920.

It is a congruent number.

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, 110 + ... + 14930.

It is an arithmetic number, because the mean of its divisors is an integer number (5602716).

Almost surely, 2^111453920 is an apocalyptic number.

111453920 is a gapful number since it is divisible by the number (10) 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 111453920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134465184).

111453920 is an abundant number, since it is smaller than the sum of its proper divisors (157476448).

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

111453920 is a wasteful number, since it uses less digits than its factorization.

111453920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14883 (or 14875 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 111453920 is about 10557.1738642498. The cubic root of 111453920 is about 481.2437651410.

The spelling of 111453920 in words is "one hundred eleven million, four hundred fifty-three thousand, nine hundred twenty".