111142004 has 12 divisors (see below), whose sum is σ = 195009024. Its totient is φ = 55425144.

The previous prime is 111141977. The next prime is 111142013. The reversal of 111142004 is 400241111.

It is a self number, because there is not a number n which added to its sum of digits gives 111142004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34742 + ... + 37805.

It is an arithmetic number, because the mean of its divisors is an integer number (16250752).

Almost surely, 2^111142004 is an apocalyptic number.

It is an amenable number.

111142004 is a deficient number, since it is larger than the sum of its proper divisors (83867020).

111142004 is a wasteful number, since it uses less digits than its factorization.

111142004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72934 (or 72932 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 111142004 is about 10542.3908104376. The cubic root of 111142004 is about 480.7944078962.

Adding to 111142004 its reverse (400241111), we get a palindrome (511383115).

The spelling of 111142004 in words is "one hundred eleven million, one hundred forty-two thousand, four".