111842988 has 12 divisors (see below), whose sum is σ = 260967000. Its totient is φ = 37280992.

The previous prime is 111842923. The next prime is 111842999. The reversal of 111842988 is 889248111.

It is a tau number, because it is divible by the number of its divisors (12).

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, 4660113 + ... + 4660136.

It is an arithmetic number, because the mean of its divisors is an integer number (21747250).

Almost surely, 2^111842988 is an apocalyptic number.

It is an amenable number.

111842988 is an abundant number, since it is smaller than the sum of its proper divisors (149124012).

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

111842988 is a wasteful number, since it uses less digits than its factorization.

111842988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9320256 (or 9320254 counting only the distinct ones).

The product of its digits is 36864, while the sum is 42.

The square root of 111842988 is about 10575.5845228526. The cubic root of 111842988 is about 481.8030967455.

The spelling of 111842988 in words is "one hundred eleven million, eight hundred forty-two thousand, nine hundred eighty-eight".