111124404 has 36 divisors (see below), whose sum is σ = 290586660. Its totient is φ = 35763840.

The previous prime is 111124381. The next prime is 111124417. The reversal of 111124404 is 404421111.

It can be written as a sum of positive squares in 2 ways, for example, as 20684304 + 90440100 = 4548^2 + 9510^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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, 52177 + ... + 54264.

Almost surely, 2^111124404 is an apocalyptic number.

It is an amenable number.

111124404 is an abundant number, since it is smaller than the sum of its proper divisors (179462256).

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

111124404 is a wasteful number, since it uses less digits than its factorization.

111124404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106480 (or 106475 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 111124404 is about 10541.5560521206. The cubic root of 111124404 is about 480.7690276679.

Adding to 111124404 its reverse (404421111), we get a palindrome (515545515).

The spelling of 111124404 in words is "one hundred eleven million, one hundred twenty-four thousand, four hundred four".