1112788520 has 16 divisors (see below), whose sum is σ = 2503774260. Its totient is φ = 445115392.

The previous prime is 1112788519. The next prime is 1112788577. The reversal of 1112788520 is 258872111.

It can be written as a sum of positive squares in 2 ways, for example, as 1094418724 + 18369796 = 33082^2 + 4286^2 .

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 3 ways as a sum of consecutive naturals, for example, 13909817 + ... + 13909896.

Almost surely, 2^1112788520 is an apocalyptic number.

1112788520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112788520 is an abundant number, since it is smaller than the sum of its proper divisors (1390985740).

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

1112788520 is a wasteful number, since it uses less digits than its factorization.

1112788520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27819724 (or 27819720 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 35.

The square root of 1112788520 is about 33358.4849775885. The cubic root of 1112788520 is about 1036.2651165289.

The spelling of 1112788520 in words is "one billion, one hundred twelve million, seven hundred eighty-eight thousand, five hundred twenty".