122073020917 has 2 divisors, whose sum is σ = 122073020918. Its totient is φ = 122073020916.

The previous prime is 122073020911. The next prime is 122073020921. The reversal of 122073020917 is 719020370221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104933236356 + 17139784561 = 323934^2 + 130919^2 .

It is a cyclic number.

It is not a de Polignac number, because 122073020917 - 2²³ = 122064632309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122073020911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61036510458 + 61036510459.

It is an arithmetic number, because the mean of its divisors is an integer number (61036510459).

Almost surely, 2^122073020917 is an apocalyptic number.

It is an amenable number.

122073020917 is a deficient number, since it is larger than the sum of its proper divisors (1).

122073020917 is an equidigital number, since it uses as much as digits as its factorization.

122073020917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

The spelling of 122073020917 in words is "one hundred twenty-two billion, seventy-three million, twenty thousand, nine hundred seventeen".