111404072 has 16 divisors (see below), whose sum is σ = 224950740. Its totient is φ = 51417216.

The previous prime is 111404071. The next prime is 111404107. The reversal of 111404072 is 270404111.

It can be written as a sum of positive squares in 2 ways, for example, as 104571076 + 6832996 = 10226^2 + 2614^2 .

It is not an unprimeable number, because it can be changed into a prime (111404071) 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, 535493 + ... + 535700.

Almost surely, 2^111404072 is an apocalyptic number.

It is an amenable number.

111404072 is an abundant number, since it is smaller than the sum of its proper divisors (113546668).

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

111404072 is a wasteful number, since it uses less digits than its factorization.

111404072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071212 (or 1071208 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 111404072 is about 10554.8127411148. The cubic root of 111404072 is about 481.1720086804.

Adding to 111404072 its reverse (270404111), we get a palindrome (381808183).

The spelling of 111404072 in words is "one hundred eleven million, four hundred four thousand, seventy-two".