111424604 has 24 divisors (see below), whose sum is σ = 203850528. Its totient is φ = 53190720.

The previous prime is 111424601. The next prime is 111424609. The reversal of 111424604 is 406424111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 111424604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111424601) 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, 79994 + ... + 81374.

It is an arithmetic number, because the mean of its divisors is an integer number (8493772).

Almost surely, 2^111424604 is an apocalyptic number.

It is an amenable number.

111424604 is a deficient number, since it is larger than the sum of its proper divisors (92425924).

111424604 is a wasteful number, since it uses less digits than its factorization.

111424604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 111424604 is about 10555.7853331716. The cubic root of 111424604 is about 481.2015671954.

Adding to 111424604 its reverse (406424111), we get a palindrome (517848715).

The spelling of 111424604 in words is "one hundred eleven million, four hundred twenty-four thousand, six hundred four".