122072147317 has 2 divisors, whose sum is σ = 122072147318. Its totient is φ = 122072147316.

The previous prime is 122072147279. The next prime is 122072147363. The reversal of 122072147317 is 713741270221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110590167601 + 11481979716 = 332551^2 + 107154^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122072147317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122012147317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61036073658 + 61036073659.

It is an arithmetic number, because the mean of its divisors is an integer number (61036073659).

Almost surely, 2^122072147317 is an apocalyptic number.

It is an amenable number.

122072147317 is a deficient number, since it is larger than the sum of its proper divisors (1).

122072147317 is an equidigital number, since it uses as much as digits as its factorization.

122072147317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 37.

The spelling of 122072147317 in words is "one hundred twenty-two billion, seventy-two million, one hundred forty-seven thousand, three hundred seventeen".