112279990 has 16 divisors (see below), whose sum is σ = 202518000. Its totient is φ = 44820000.

The previous prime is 112279943. The next prime is 112280027. The reversal of 112279990 is 99972211.

It is a happy number.

112279990 is nontrivially palindromic in base 16.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6261 + ... + 16240.

It is an arithmetic number, because the mean of its divisors is an integer number (12657375).

Almost surely, 2^112279990 is an apocalyptic number.

112279990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112279990 is a deficient number, since it is larger than the sum of its proper divisors (90238010).

112279990 is a wasteful number, since it uses less digits than its factorization.

112279990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23007.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 112279990 is about 10596.2252712935. The cubic root of 112279990 is about 482.4297946123.

The spelling of 112279990 in words is "one hundred twelve million, two hundred seventy-nine thousand, nine hundred ninety".