122621107369 has 2 divisors, whose sum is σ = 122621107370. Its totient is φ = 122621107368.

The previous prime is 122621107361. The next prime is 122621107393. The reversal of 122621107369 is 963701126221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115287411600 + 7333695769 = 339540^2 + 85637^2 .

It is an emirp because it is prime and its reverse (963701126221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122621107369 - 2³ = 122621107361 is a prime.

It is a super-2 number, since 2×122621107369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122621107361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61310553684 + 61310553685.

It is an arithmetic number, because the mean of its divisors is an integer number (61310553685).

Almost surely, 2^122621107369 is an apocalyptic number.

It is an amenable number.

122621107369 is a deficient number, since it is larger than the sum of its proper divisors (1).

122621107369 is an equidigital number, since it uses as much as digits as its factorization.

122621107369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 122621107369 in words is "one hundred twenty-two billion, six hundred twenty-one million, one hundred seven thousand, three hundred sixty-nine".