122538824197 has 2 divisors, whose sum is σ = 122538824198. Its totient is φ = 122538824196.

The previous prime is 122538824189. The next prime is 122538824201. The reversal of 122538824197 is 791428835221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78492987556 + 44045836641 = 280166^2 + 209871^2 .

It is an emirp because it is prime and its reverse (791428835221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122538824197 - 2³ = 122538824189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122538824297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61269412098 + 61269412099.

It is an arithmetic number, because the mean of its divisors is an integer number (61269412099).

Almost surely, 2^122538824197 is an apocalyptic number.

It is an amenable number.

122538824197 is a deficient number, since it is larger than the sum of its proper divisors (1).

122538824197 is an equidigital number, since it uses as much as digits as its factorization.

122538824197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 52.

The spelling of 122538824197 in words is "one hundred twenty-two billion, five hundred thirty-eight million, eight hundred twenty-four thousand, one hundred ninety-seven".