111425920 has 64 divisors (see below), whose sum is σ = 268374240. Its totient is φ = 44236800.

The previous prime is 111425911. The next prime is 111425921. The reversal of 111425920 is 29524111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111425921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96064 + ... + 97216.

Almost surely, 2^111425920 is an apocalyptic number.

111425920 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 111425920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134187120).

111425920 is an abundant number, since it is smaller than the sum of its proper divisors (156948320).

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

111425920 is a wasteful number, since it uses less digits than its factorization.

111425920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 111425920 is about 10555.8476684727. The cubic root of 111425920 is about 481.2034616267.

The spelling of 111425920 in words is "one hundred eleven million, four hundred twenty-five thousand, nine hundred twenty".