1112569920 has 672 divisors, whose sum is σ = 4964094720. Its totient is φ = 221921280.

The previous prime is 1112569919. The next prime is 1112569933. The reversal of 1112569920 is 299652111.

1112569920 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 569 + 92 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6430954 + ... + 6431126.

Almost surely, 2^1112569920 is an apocalyptic number.

1112569920 is a gapful number since it is divisible by the number (10) 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 1112569920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2482047360).

1112569920 is an abundant number, since it is smaller than the sum of its proper divisors (3851524800).

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

1112569920 is a wasteful number, since it uses less digits than its factorization.

1112569920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 1112569920 is about 33355.2082889614. The cubic root of 1112569920 is about 1036.1972562586.

The spelling of 1112569920 in words is "one billion, one hundred twelve million, five hundred sixty-nine thousand, nine hundred twenty".