111404442 has 16 divisors (see below), whose sum is σ = 222917760. Its totient is φ = 37116672.

The previous prime is 111404437. The next prime is 111404459. The reversal of 111404442 is 244404111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15738 + ... + 21690.

It is an arithmetic number, because the mean of its divisors is an integer number (13932360).

Almost surely, 2^111404442 is an apocalyptic number.

111404442 is an abundant number, since it is smaller than the sum of its proper divisors (111513318).

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

111404442 is a wasteful number, since it uses less digits than its factorization.

111404442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9077.

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

The square root of 111404442 is about 10554.8302686495. The cubic root of 111404442 is about 481.1725413762.

Adding to 111404442 its reverse (244404111), we get a palindrome (355808553).

The spelling of 111404442 in words is "one hundred eleven million, four hundred four thousand, four hundred forty-two".