112997109 has 8 divisors (see below), whose sum is σ = 151051680. Its totient is φ = 75136976.

The previous prime is 112997099. The next prime is 112997117. The reversal of 112997109 is 901799211.

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

It is a cyclic number.

It is not a de Polignac number, because 112997109 - 2¹¹ = 112995061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112997179) 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, 47247 + ... + 49580.

It is an arithmetic number, because the mean of its divisors is an integer number (18881460).

Almost surely, 2^112997109 is an apocalyptic number.

It is an amenable number.

112997109 is a deficient number, since it is larger than the sum of its proper divisors (38054571).

112997109 is an equidigital number, since it uses as much as digits as its factorization.

112997109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97219.

The product of its (nonzero) digits is 10206, while the sum is 39.

The square root of 112997109 is about 10630.0098306634. The cubic root of 112997109 is about 483.4546897278.

The spelling of 112997109 in words is "one hundred twelve million, nine hundred ninety-seven thousand, one hundred nine".