1112512900 has 18 divisors (see below), whose sum is σ = 2414153210. Its totient is φ = 445005120.

The previous prime is 1112512853. The next prime is 1112512931. The reversal of 1112512900 is 92152111.

It can be written as a sum of positive squares in 3 ways, for example, as 21399876 + 1091113024 = 4626^2 + 33032^2 .

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 5 ways as a sum of consecutive naturals, for example, 5562465 + ... + 5562664.

Almost surely, 2^1112512900 is an apocalyptic number.

1112512900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112512900 is an abundant number, since it is smaller than the sum of its proper divisors (1301640310).

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

1112512900 is a wasteful number, since it uses less digits than its factorization.

1112512900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11125143 (or 11125136 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 1112512900 is about 33354.3535389310. The cubic root of 1112512900 is about 1036.1795540073.

It can be divided in two parts, 11125 and 12900, that added together give a square (24025 = 155²).

The spelling of 1112512900 in words is "one billion, one hundred twelve million, five hundred twelve thousand, nine hundred".