122660013431 has 2 divisors, whose sum is σ = 122660013432. Its totient is φ = 122660013430.

The previous prime is 122660013397. The next prime is 122660013491. The reversal of 122660013431 is 134310066221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122660013431 is a prime.

It is a super-2 number, since 2×122660013431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122660013394 and 122660013403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122660013491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61330006715 + 61330006716.

It is an arithmetic number, because the mean of its divisors is an integer number (61330006716).

Almost surely, 2^122660013431 is an apocalyptic number.

122660013431 is a deficient number, since it is larger than the sum of its proper divisors (1).

122660013431 is an equidigital number, since it uses as much as digits as its factorization.

122660013431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 122660013431 its reverse (134310066221), we get a palindrome (256970079652).

The spelling of 122660013431 in words is "one hundred twenty-two billion, six hundred sixty million, thirteen thousand, four hundred thirty-one".