122351125131149 has 2 divisors, whose sum is σ = 122351125131150. Its totient is φ = 122351125131148.

The previous prime is 122351125131133. The next prime is 122351125131187. The reversal of 122351125131149 is 941131521153221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99004350708649 + 23346774422500 = 9950093^2 + 4831850^2 .

It is a cyclic number.

It is not a de Polignac number, because 122351125131149 - 2⁴ = 122351125131133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122351125131049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61175562565574 + 61175562565575.

It is an arithmetic number, because the mean of its divisors is an integer number (61175562565575).

Almost surely, 2^{122351125131149} is an apocalyptic number.

It is an amenable number.

122351125131149 is a deficient number, since it is larger than the sum of its proper divisors (1).

122351125131149 is an equidigital number, since it uses as much as digits as its factorization.

122351125131149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 41.

The spelling of 122351125131149 in words is "one hundred twenty-two trillion, three hundred fifty-one billion, one hundred twenty-five million, one hundred thirty-one thousand, one hundred forty-nine".