111420504 has 48 divisors (see below), whose sum is σ = 324979200. Its totient is φ = 34282944.

The previous prime is 111420481. The next prime is 111420521. The reversal of 111420504 is 405024111.

It is a super-2 number, since 2×111420504² = 24829057423228032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58584 + ... + 60455.

It is an arithmetic number, because the mean of its divisors is an integer number (6770400).

Almost surely, 2^111420504 is an apocalyptic number.

It is an amenable number.

111420504 is an abundant number, since it is smaller than the sum of its proper divisors (213558696).

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

111420504 is a wasteful number, since it uses less digits than its factorization.

111420504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119064 (or 119057 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 111420504 is about 10555.5911250863. The cubic root of 111420504 is about 481.1956649962.

Adding to 111420504 its reverse (405024111), we get a palindrome (516444615).

The spelling of 111420504 in words is "one hundred eleven million, four hundred twenty thousand, five hundred four".