112951009 has 4 divisors (see below), whose sum is σ = 119595204. Its totient is φ = 106306816.

The previous prime is 112951001. The next prime is 112951021. The reversal of 112951009 is 900159211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40360609 + 72590400 = 6353^2 + 8520^2 .

It is a cyclic number.

It is not a de Polignac number, because 112951009 - 2³ = 112951001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112951001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3322072 + ... + 3322105.

It is an arithmetic number, because the mean of its divisors is an integer number (29898801).

Almost surely, 2^112951009 is an apocalyptic number.

It is an amenable number.

112951009 is a deficient number, since it is larger than the sum of its proper divisors (6644195).

112951009 is an equidigital number, since it uses as much as digits as its factorization.

112951009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6644194.

The product of its (nonzero) digits is 810, while the sum is 28.

The square root of 112951009 is about 10627.8412201162. The cubic root of 112951009 is about 483.3889349696.

The spelling of 112951009 in words is "one hundred twelve million, nine hundred fifty-one thousand, nine".