122131123 has 2 divisors, whose sum is σ = 122131124. Its totient is φ = 122131122.

The previous prime is 122131091. The next prime is 122131129. The reversal of 122131123 is 321131221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122131123 - 2⁵ = 122131091 is a prime.

It is a super-2 number, since 2×122131123² = 29832022410482258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122131097 and 122131106.

It is not a weakly prime, because it can be changed into another prime (122131129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61065561 + 61065562.

It is an arithmetic number, because the mean of its divisors is an integer number (61065562).

Almost surely, 2^122131123 is an apocalyptic number.

122131123 is a deficient number, since it is larger than the sum of its proper divisors (1).

122131123 is an equidigital number, since it uses as much as digits as its factorization.

122131123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 16.

The square root of 122131123 is about 11051.2950824779. The cubic root of 122131123 is about 496.1451878883.

Adding to 122131123 its reverse (321131221), we get a palindrome (443262344).

The spelling of 122131123 in words is "one hundred twenty-two million, one hundred thirty-one thousand, one hundred twenty-three".