122704325621 has 2 divisors, whose sum is σ = 122704325622. Its totient is φ = 122704325620.

The previous prime is 122704325603. The next prime is 122704325641. The reversal of 122704325621 is 126523407221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118362833521 + 4341492100 = 344039^2 + 65890^2 .

It is a cyclic number.

It is not a de Polignac number, because 122704325621 - 2¹⁴ = 122704309237 is a prime.

It is a super-2 number, since 2×122704325621² (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 (122704325641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61352162810 + 61352162811.

It is an arithmetic number, because the mean of its divisors is an integer number (61352162811).

Almost surely, 2^122704325621 is an apocalyptic number.

It is an amenable number.

122704325621 is a deficient number, since it is larger than the sum of its proper divisors (1).

122704325621 is an equidigital number, since it uses as much as digits as its factorization.

122704325621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 122704325621 in words is "one hundred twenty-two billion, seven hundred four million, three hundred twenty-five thousand, six hundred twenty-one".