1112120556 has 24 divisors (see below), whose sum is σ = 2609449920. Its totient is φ = 368635152.

The previous prime is 1112120519. The next prime is 1112120609. The reversal of 1112120556 is 6550212111.

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, 256726 + ... + 261021.

It is an arithmetic number, because the mean of its divisors is an integer number (108727080).

Almost surely, 2^1112120556 is an apocalyptic number.

It is an amenable number.

1112120556 is an abundant number, since it is smaller than the sum of its proper divisors (1497329364).

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

1112120556 is a wasteful number, since it uses less digits than its factorization.

1112120556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517933 (or 517931 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 1112120556 is about 33348.4715691739. The cubic root of 1112120556 is about 1036.0577317102.

Adding to 1112120556 its reverse (6550212111), we get a palindrome (7662332667).

The spelling of 1112120556 in words is "one billion, one hundred twelve million, one hundred twenty thousand, five hundred fifty-six".