112999780 has 24 divisors (see below), whose sum is σ = 237831552. Its totient is φ = 45098592.

The previous prime is 112999771. The next prime is 112999787. The reversal of 112999780 is 87999211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 112999780.

It is not an unprimeable number, because it can be changed into a prime (112999787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3159 + ... + 15361.

It is an arithmetic number, because the mean of its divisors is an integer number (9909648).

Almost surely, 2^112999780 is an apocalyptic number.

112999780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112999780 is an abundant number, since it is smaller than the sum of its proper divisors (124831772).

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

112999780 is a wasteful number, since it uses less digits than its factorization.

112999780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12675 (or 12673 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 46.

The square root of 112999780 is about 10630.1354648001. The cubic root of 112999780 is about 483.4584989619.

The spelling of 112999780 in words is "one hundred twelve million, nine hundred ninety-nine thousand, seven hundred eighty".