1112257992 has 32 divisors (see below), whose sum is σ = 2793127680. Its totient is φ = 369088320.

The previous prime is 1112257981. The next prime is 1112258023. The reversal of 1112257992 is 2997522111.

It is a self number, because there is not a number n which added to its sum of digits gives 1112257992.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98559 + ... + 109262.

It is an arithmetic number, because the mean of its divisors is an integer number (87285240).

Almost surely, 2^1112257992 is an apocalyptic number.

1112257992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1112257992 is an abundant number, since it is smaller than the sum of its proper divisors (1680869688).

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

1112257992 is a wasteful number, since it uses less digits than its factorization.

1112257992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208053 (or 208049 counting only the distinct ones).

The product of its digits is 22680, while the sum is 39.

The square root of 1112257992 is about 33350.5321096980. The cubic root of 1112257992 is about 1036.1004086678.

The spelling of 1112257992 in words is "one billion, one hundred twelve million, two hundred fifty-seven thousand, nine hundred ninety-two".