122112123 has 32 divisors (see below), whose sum is σ = 192184320. Its totient is φ = 67525920.

The previous prime is 122112113. The next prime is 122112167. The reversal of 122112123 is 321211221.

It is not a de Polignac number, because 122112123 - 2⁶ = 122112059 is a prime.

It is a super-2 number, since 2×122112123² = 29822741167134258, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 82278 + ... + 83748.

It is an arithmetic number, because the mean of its divisors is an integer number (6005760).

Almost surely, 2^122112123 is an apocalyptic number.

122112123 is a deficient number, since it is larger than the sum of its proper divisors (70072197).

122112123 is a wasteful number, since it uses less digits than its factorization.

122112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607.

The product of its digits is 48, while the sum is 15.

The square root of 122112123 is about 11050.4354212854. The cubic root of 122112123 is about 496.1194580355.

Adding to 122112123 its reverse (321211221), we get a palindrome (443323344).

The spelling of 122112123 in words is "one hundred twenty-two million, one hundred twelve thousand, one hundred twenty-three".