112990000 has 50 divisors (see below), whose sum is σ = 273584300. Its totient is φ = 45192000.

The previous prime is 112989983. The next prime is 112990027. The reversal of 112990000 is 99211.

It is a tau number, because it is divible by the number of its divisors (50).

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 9 ways as a sum of consecutive naturals, for example, 4351 + ... + 15649.

It is an arithmetic number, because the mean of its divisors is an integer number (5471686).

Almost surely, 2^112990000 is an apocalyptic number.

112990000 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 112990000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136792150).

112990000 is an abundant number, since it is smaller than the sum of its proper divisors (160594300).

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

112990000 is an equidigital number, since it uses as much as digits as its factorization.

112990000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11327 (or 11306 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 112990000 is about 10629.6754418938. The cubic root of 112990000 is about 483.4445509685. Note that the first 3 decimals are identical.

The spelling of 112990000 in words is "one hundred twelve million, nine hundred ninety thousand".