1112844972 has 96 divisors (see below), whose sum is σ = 2874816000. Its totient is φ = 333476352.

The previous prime is 1112844959. The next prime is 1112844977. The reversal of 1112844972 is 2794482111.

It is a self number, because there is not a number n which added to its sum of digits gives 1112844972.

It is not an unprimeable number, because it can be changed into a prime (1112844977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 717654 + ... + 719202.

It is an arithmetic number, because the mean of its divisors is an integer number (29946000).

Almost surely, 2^1112844972 is an apocalyptic number.

1112844972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112844972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1437408000).

1112844972 is an abundant number, since it is smaller than the sum of its proper divisors (1761971028).

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

1112844972 is a wasteful number, since it uses less digits than its factorization.

1112844972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735 (or 1733 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 1112844972 is about 33359.3311084020. The cubic root of 1112844972 is about 1036.2826395497.

The spelling of 1112844972 in words is "one billion, one hundred twelve million, eight hundred forty-four thousand, nine hundred seventy-two".