111481124 has 6 divisors (see below), whose sum is σ = 195091974. Its totient is φ = 55740560.

The previous prime is 111481109. The next prime is 111481157. The reversal of 111481124 is 421184111.

It can be written as a sum of positive squares in only one way, i.e., 75864100 + 35617024 = 8710^2 + 5968^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111481124.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13935137 + ... + 13935144.

It is an arithmetic number, because the mean of its divisors is an integer number (32515329).

Almost surely, 2^111481124 is an apocalyptic number.

It is an amenable number.

111481124 is a deficient number, since it is larger than the sum of its proper divisors (83610850).

111481124 is a wasteful number, since it uses less digits than its factorization.

111481124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27870285 (or 27870283 counting only the distinct ones).

The product of its digits is 256, while the sum is 23.

The square root of 111481124 is about 10558.4621986348. The cubic root of 111481124 is about 481.2829164195.

The spelling of 111481124 in words is "one hundred eleven million, four hundred eighty-one thousand, one hundred twenty-four".