112900909 has 16 divisors (see below), whose sum is σ = 126821376. Its totient is φ = 99626800.

The previous prime is 112900901. The next prime is 112900913. The reversal of 112900909 is 909009211.

It is a cyclic number.

It is not a de Polignac number, because 112900909 - 2³ = 112900901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112900901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66894 + ... + 68560.

It is an arithmetic number, because the mean of its divisors is an integer number (7926336).

Almost surely, 2^112900909 is an apocalyptic number.

It is an amenable number.

112900909 is a deficient number, since it is larger than the sum of its proper divisors (13920467).

112900909 is a wasteful number, since it uses less digits than its factorization.

112900909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856.

The product of its (nonzero) digits is 1458, while the sum is 31.

The square root of 112900909 is about 10625.4839419200. The cubic root of 112900909 is about 483.3174545186.

The spelling of 112900909 in words is "one hundred twelve million, nine hundred thousand, nine hundred nine".