111404042 has 16 divisors (see below), whose sum is σ = 175392000. Its totient is φ = 52968432.

The previous prime is 111404021. The next prime is 111404047. The reversal of 111404042 is 240404111.

It is a self number, because there is not a number n which added to its sum of digits gives 111404042.

It is not an unprimeable number, because it can be changed into a prime (111404047) 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, 959 + ... + 14957.

It is an arithmetic number, because the mean of its divisors is an integer number (10962000).

Almost surely, 2^111404042 is an apocalyptic number.

111404042 is a deficient number, since it is larger than the sum of its proper divisors (63987958).

111404042 is a wasteful number, since it uses less digits than its factorization.

111404042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14197.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 111404042 is about 10554.8113199621. The cubic root of 111404042 is about 481.1719654888.

Adding to 111404042 its reverse (240404111), we get a palindrome (351808153).

The spelling of 111404042 in words is "one hundred eleven million, four hundred four thousand, forty-two".