122742363767 has 2 divisors, whose sum is σ = 122742363768. Its totient is φ = 122742363766.

The previous prime is 122742363743. The next prime is 122742363797. The reversal of 122742363767 is 767363247221.

It is a weak prime.

It is an emirp because it is prime and its reverse (767363247221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122742363767 is a prime.

It is a super-2 number, since 2×122742363767² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122742363797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61371181883 + 61371181884.

It is an arithmetic number, because the mean of its divisors is an integer number (61371181884).

Almost surely, 2^122742363767 is an apocalyptic number.

122742363767 is a deficient number, since it is larger than the sum of its proper divisors (1).

122742363767 is an equidigital number, since it uses as much as digits as its factorization.

122742363767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3556224, while the sum is 50.

The spelling of 122742363767 in words is "one hundred twenty-two billion, seven hundred forty-two million, three hundred sixty-three thousand, seven hundred sixty-seven".