111420304 has 20 divisors (see below), whose sum is σ = 217130076. Its totient is φ = 55386752.

The previous prime is 111420223. The next prime is 111420307. The reversal of 111420304 is 403024111.

It can be written as a sum of positive squares in 2 ways, for example, as 98803600 + 12616704 = 9940^2 + 3552^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (111420307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17359 + ... + 22894.

Almost surely, 2^111420304 is an apocalyptic number.

It is an amenable number.

111420304 is a deficient number, since it is larger than the sum of its proper divisors (105709772).

111420304 is a wasteful number, since it uses less digits than its factorization.

111420304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40434 (or 40428 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 111420304 is about 10555.5816514297. The cubic root of 111420304 is about 481.1953770803.

Adding to 111420304 its reverse (403024111), we get a palindrome (514444415).

The spelling of 111420304 in words is "one hundred eleven million, four hundred twenty thousand, three hundred four".