122112115 has 4 divisors (see below), whose sum is σ = 146534544. Its totient is φ = 97689688.

The previous prime is 122112113. The next prime is 122112167. The reversal of 122112115 is 511211221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 511211221 = 223 ⋅2292427.

It is a cyclic number.

It is not a de Polignac number, because 122112115 - 2¹ = 122112113 is a prime.

It is a super-2 number, since 2×122112115² = 29822737259546450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122112113) 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, 12211207 + ... + 12211216.

It is an arithmetic number, because the mean of its divisors is an integer number (36633636).

Almost surely, 2^122112115 is an apocalyptic number.

122112115 is a deficient number, since it is larger than the sum of its proper divisors (24422429).

122112115 is an equidigital number, since it uses as much as digits as its factorization.

122112115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24422428.

The product of its digits is 40, while the sum is 16.

The square root of 122112115 is about 11050.4350593088. The cubic root of 122112115 is about 496.1194472013.

Adding to 122112115 its reverse (511211221), we get a palindrome (633323336).

The spelling of 122112115 in words is "one hundred twenty-two million, one hundred twelve thousand, one hundred fifteen".