111103940 has 12 divisors (see below), whose sum is σ = 233318316. Its totient is φ = 44441568.

The previous prime is 111103921. The next prime is 111103943. The reversal of 111103940 is 49301111.

It can be written as a sum of positive squares in 2 ways, for example, as 54523456 + 56580484 = 7384^2 + 7522^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5555197 = 111103940 / (1 + 1 + 1 + 1 + 0 + 3 + 9 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (111103943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777579 + ... + 2777618.

It is an arithmetic number, because the mean of its divisors is an integer number (19443193).

Almost surely, 2^111103940 is an apocalyptic number.

111103940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111103940 is an abundant number, since it is smaller than the sum of its proper divisors (122214376).

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

111103940 is a wasteful number, since it uses less digits than its factorization.

111103940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555206 (or 5555204 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 111103940 is about 10540.5853727390. The cubic root of 111103940 is about 480.7395140147.

The spelling of 111103940 in words is "one hundred eleven million, one hundred three thousand, nine hundred forty".