122342531 has 2 divisors, whose sum is σ = 122342532. Its totient is φ = 122342530.

The previous prime is 122342527. The next prime is 122342569. The reversal of 122342531 is 135243221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122342531 - 2² = 122342527 is a prime.

It is a super-2 number, since 2×122342531² = 29935389782971922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 122342497 and 122342506.

It is not a weakly prime, because it can be changed into another prime (122342131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61171265 + 61171266.

It is an arithmetic number, because the mean of its divisors is an integer number (61171266).

Almost surely, 2^122342531 is an apocalyptic number.

122342531 is a deficient number, since it is larger than the sum of its proper divisors (1).

122342531 is an equidigital number, since it uses as much as digits as its factorization.

122342531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 23.

The square root of 122342531 is about 11060.8557987165. The cubic root of 122342531 is about 496.4312973220.

Adding to 122342531 its reverse (135243221), we get a palindrome (257585752).

The spelling of 122342531 in words is "one hundred twenty-two million, three hundred forty-two thousand, five hundred thirty-one".