122249528197 has 2 divisors, whose sum is σ = 122249528198. Its totient is φ = 122249528196.

The previous prime is 122249528161. The next prime is 122249528207. The reversal of 122249528197 is 791825942221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63343325761 + 58906202436 = 251681^2 + 242706^2 .

It is a cyclic number.

It is not a de Polignac number, because 122249528197 - 2²³ = 122241139589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122249528147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61124764098 + 61124764099.

It is an arithmetic number, because the mean of its divisors is an integer number (61124764099).

Almost surely, 2^122249528197 is an apocalyptic number.

It is an amenable number.

122249528197 is a deficient number, since it is larger than the sum of its proper divisors (1).

122249528197 is an equidigital number, since it uses as much as digits as its factorization.

122249528197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 52.

The spelling of 122249528197 in words is "one hundred twenty-two billion, two hundred forty-nine million, five hundred twenty-eight thousand, one hundred ninety-seven".