1112943942 has 128 divisors (see below), whose sum is σ = 2810419200. Its totient is φ = 323481600.

The previous prime is 1112943919. The next prime is 1112943959. The reversal of 1112943942 is 2493492111.

It is a junction number, because it is equal to n+sod(n) for n = 1112943897 and 1112943906.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1735942 + ... + 1736582.

It is an arithmetic number, because the mean of its divisors is an integer number (21956400).

Almost surely, 2^1112943942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112943942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405209600).

1112943942 is an abundant number, since it is smaller than the sum of its proper divisors (1697475258).

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

1112943942 is a wasteful number, since it uses less digits than its factorization.

1112943942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 773 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 1112943942 is about 33360.8144684748. The cubic root of 1112943942 is about 1036.3133589686.

The spelling of 1112943942 in words is "one billion, one hundred twelve million, nine hundred forty-three thousand, nine hundred forty-two".