1112090920 has 16 divisors (see below), whose sum is σ = 2502204660. Its totient is φ = 444836352.

The previous prime is 1112090899. The next prime is 1112090953. The reversal of 1112090920 is 290902111.

It can be written as a sum of positive squares in 2 ways, for example, as 1111688964 + 401956 = 33342^2 + 634^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13901097 + ... + 13901176.

Almost surely, 2^1112090920 is an apocalyptic number.

1112090920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112090920 is an abundant number, since it is smaller than the sum of its proper divisors (1390113740).

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

1112090920 is a wasteful number, since it uses less digits than its factorization.

1112090920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27802284 (or 27802280 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 1112090920 is about 33348.0272280086. The cubic root of 1112090920 is about 1036.0485286074.

The spelling of 1112090920 in words is "one billion, one hundred twelve million, ninety thousand, nine hundred twenty".