112120115 has 8 divisors (see below), whose sum is σ = 135527040. Its totient is φ = 89040832.

The previous prime is 112120111. The next prime is 112120139. The reversal of 112120115 is 511021211.

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 112120115 - 2² = 112120111 is a prime.

It is a super-2 number, since 2×112120115² = 25141840375226450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112120115.

It is not an unprimeable number, because it can be changed into a prime (112120111) 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, 81155 + ... + 82524.

It is an arithmetic number, because the mean of its divisors is an integer number (16940880).

Almost surely, 2^112120115 is an apocalyptic number.

112120115 is a deficient number, since it is larger than the sum of its proper divisors (23406925).

112120115 is a wasteful number, since it uses less digits than its factorization.

112120115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163821.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 112120115 is about 10588.6786238888. The cubic root of 112120115 is about 482.2007092694.

Adding to 112120115 its reverse (511021211), we get a palindrome (623141326).

The spelling of 112120115 in words is "one hundred twelve million, one hundred twenty thousand, one hundred fifteen".