122409086731 has 2 divisors, whose sum is σ = 122409086732. Its totient is φ = 122409086730.

The previous prime is 122409086717. The next prime is 122409086741. The reversal of 122409086731 is 137680904221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122409086731 is a prime.

It is a super-2 number, since 2×122409086731² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122409086741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61204543365 + 61204543366.

It is an arithmetic number, because the mean of its divisors is an integer number (61204543366).

Almost surely, 2^122409086731 is an apocalyptic number.

122409086731 is a deficient number, since it is larger than the sum of its proper divisors (1).

122409086731 is an equidigital number, since it uses as much as digits as its factorization.

122409086731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 122409086731 in words is "one hundred twenty-two billion, four hundred nine million, eighty-six thousand, seven hundred thirty-one".