111942132 has 24 divisors (see below), whose sum is σ = 261564576. Its totient is φ = 37261728.

The previous prime is 111942119. The next prime is 111942133. The reversal of 111942132 is 231249111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111942133) 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, 2923 + ... + 15245.

It is an arithmetic number, because the mean of its divisors is an integer number (10898524).

Almost surely, 2^111942132 is an apocalyptic number.

111942132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111942132 is an abundant number, since it is smaller than the sum of its proper divisors (149622444).

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

111942132 is a wasteful number, since it uses less digits than its factorization.

111942132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13087 (or 13085 counting only the distinct ones).

The product of its digits is 432, while the sum is 24.

The square root of 111942132 is about 10580.2708850010. The cubic root of 111942132 is about 481.9454206089.

The spelling of 111942132 in words is "one hundred eleven million, nine hundred forty-two thousand, one hundred thirty-two".