122722026731 has 2 divisors, whose sum is σ = 122722026732. Its totient is φ = 122722026730.

The previous prime is 122722026689. The next prime is 122722026743. The reversal of 122722026731 is 137620227221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122722026731 is a prime.

It is a super-3 number, since 3×122722026731³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 122722026691 and 122722026700.

It is not a weakly prime, because it can be changed into another prime (122722026751) 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, 61361013365 + 61361013366.

It is an arithmetic number, because the mean of its divisors is an integer number (61361013366).

Almost surely, 2^122722026731 is an apocalyptic number.

122722026731 is a deficient number, since it is larger than the sum of its proper divisors (1).

122722026731 is an equidigital number, since it uses as much as digits as its factorization.

122722026731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 122722026731 in words is "one hundred twenty-two billion, seven hundred twenty-two million, twenty-six thousand, seven hundred thirty-one".