111442404 has 24 divisors (see below), whose sum is σ = 260827168. Its totient is φ = 37033920.

The previous prime is 111442403. The next prime is 111442417. The reversal of 111442404 is 404244111.

It is not an unprimeable number, because it can be changed into a prime (111442403) 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, 10057 + ... + 18000.

Almost surely, 2^111442404 is an apocalyptic number.

It is an amenable number.

111442404 is an abundant number, since it is smaller than the sum of its proper divisors (149384764).

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

111442404 is a wasteful number, since it uses less digits than its factorization.

111442404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28395 (or 28393 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 111442404 is about 10556.6284390425. The cubic root of 111442404 is about 481.2271896986.

Adding to 111442404 its reverse (404244111), we get a palindrome (515686515).

The spelling of 111442404 in words is "one hundred eleven million, four hundred forty-two thousand, four hundred four".