122020299939157 has 2 divisors, whose sum is σ = 122020299939158. Its totient is φ = 122020299939156.

The previous prime is 122020299939149. The next prime is 122020299939179. The reversal of 122020299939157 is 751939992020221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111649781070916 + 10370518868241 = 10566446^2 + 3220329^2 .

It is a cyclic number.

It is not a de Polignac number, because 122020299939157 - 2³ = 122020299939149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122020299939095 and 122020299939104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122020299934157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010149969578 + 61010149969579.

It is an arithmetic number, because the mean of its divisors is an integer number (61010149969579).

Almost surely, 2^{122020299939157} is an apocalyptic number.

It is an amenable number.

122020299939157 is a deficient number, since it is larger than the sum of its proper divisors (1).

122020299939157 is an equidigital number, since it uses as much as digits as its factorization.

122020299939157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11022480, while the sum is 61.

The spelling of 122020299939157 in words is "one hundred twenty-two trillion, twenty billion, two hundred ninety-nine million, nine hundred thirty-nine thousand, one hundred fifty-seven".