111372124 has 12 divisors (see below), whose sum is σ = 195356448. Its totient is φ = 55556000.

The previous prime is 111372073. The next prime is 111372137. The reversal of 111372124 is 421273111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111372095 and 111372104.

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, 30577 + ... + 34024.

It is an arithmetic number, because the mean of its divisors is an integer number (16279704).

Almost surely, 2^111372124 is an apocalyptic number.

It is an amenable number.

111372124 is a deficient number, since it is larger than the sum of its proper divisors (83984324).

111372124 is a wasteful number, since it uses less digits than its factorization.

111372124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65036 (or 65034 counting only the distinct ones).

The product of its digits is 336, while the sum is 22.

The square root of 111372124 is about 10553.2991997763. The cubic root of 111372124 is about 481.1260081085.

It can be divided in two parts, 1113 and 72124, that added together give a palindrome (73237).

The spelling of 111372124 in words is "one hundred eleven million, three hundred seventy-two thousand, one hundred twenty-four".