122112913 has 16 divisors (see below), whose sum is σ = 136192000. Its totient is φ = 108755136.

The previous prime is 122112899. The next prime is 122112923. The reversal of 122112913 is 319211221.

It is not a de Polignac number, because 122112913 - 2¹³ = 122104721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122112923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60088 + ... + 62086.

It is an arithmetic number, because the mean of its divisors is an integer number (8512000).

Almost surely, 2^122112913 is an apocalyptic number.

122112913 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122112913 is a deficient number, since it is larger than the sum of its proper divisors (14079087).

122112913 is a wasteful number, since it uses less digits than its factorization.

122112913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176.

The product of its digits is 216, while the sum is 22.

The square root of 122112913 is about 11050.4711664254. The cubic root of 122112913 is about 496.1205279089.

The spelling of 122112913 in words is "one hundred twenty-two million, one hundred twelve thousand, nine hundred thirteen".