1113112 has 64 divisors (see below), whose sum is σ = 2822400. Its totient is φ = 397440.

The previous prime is 1113103. The next prime is 1113137. The reversal of 1113112 is 2113111.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7939 + ... + 8077.

It is an arithmetic number, because the mean of its divisors is an integer number (44100).

2^1113112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1411200).

1113112 is an abundant number, since it is smaller than the sum of its proper divisors (1709288).

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

1113112 is a wasteful number, since it uses less digits than its factorization.

1113112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 172 counting only the distinct ones).

The product of its digits is 6, while the sum is 10.

The square root of 1113112 is about 1055.0412314218. The cubic root of 1113112 is about 103.6365518524.

Adding to 1113112 its reverse (2113111), we get a palindrome (3226223).

Subtracting 1113112 from its reverse (2113111), we obtain a palindrome (999999).

It can be divided in two parts, 1113 and 112, that added together give a triangular number (1225 = T₄₉).

The spelling of 1113112 in words is "one million, one hundred thirteen thousand, one hundred twelve".