112272809 has 8 divisors (see below), whose sum is σ = 122924928. Its totient is φ = 101694960.

The previous prime is 112272779. The next prime is 112272817. The reversal of 112272809 is 908272211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112272809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112272869) by changing a digit.

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, 15377 + ... + 21470.

It is an arithmetic number, because the mean of its divisors is an integer number (15365616).

Almost surely, 2^112272809 is an apocalyptic number.

It is an amenable number.

112272809 is a deficient number, since it is larger than the sum of its proper divisors (10652119).

112272809 is a wasteful number, since it uses less digits than its factorization.

112272809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37135.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 112272809 is about 10595.8864187948. The cubic root of 112272809 is about 482.4195096031.

The spelling of 112272809 in words is "one hundred twelve million, two hundred seventy-two thousand, eight hundred nine".