122135131 has 2 divisors, whose sum is σ = 122135132. Its totient is φ = 122135130.

The previous prime is 122135107. The next prime is 122135147. The reversal of 122135131 is 131531221.

It is a strong prime.

It is an emirp because it is prime and its reverse (131531221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122135131 - 2⁷ = 122135003 is a prime.

It is a super-2 number, since 2×122135131² = 29833980448774322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122135099 and 122135108.

It is not a weakly prime, because it can be changed into another prime (122135231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61067565 + 61067566.

It is an arithmetic number, because the mean of its divisors is an integer number (61067566).

Almost surely, 2^122135131 is an apocalyptic number.

122135131 is a deficient number, since it is larger than the sum of its proper divisors (1).

122135131 is an equidigital number, since it uses as much as digits as its factorization.

122135131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 19.

The square root of 122135131 is about 11051.4764172033. The cubic root of 122135131 is about 496.1506151922.

Adding to 122135131 its reverse (131531221), we get a palindrome (253666352).

The spelling of 122135131 in words is "one hundred twenty-two million, one hundred thirty-five thousand, one hundred thirty-one".