122237146861 has 2 divisors, whose sum is σ = 122237146862. Its totient is φ = 122237146860.

The previous prime is 122237146789. The next prime is 122237146897. The reversal of 122237146861 is 168641732221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68280825636 + 53956321225 = 261306^2 + 232285^2 .

It is a cyclic number.

It is not a de Polignac number, because 122237146861 - 2²⁷ = 122102929133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122237141861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61118573430 + 61118573431.

It is an arithmetic number, because the mean of its divisors is an integer number (61118573431).

Almost surely, 2^122237146861 is an apocalyptic number.

It is an amenable number.

122237146861 is a deficient number, since it is larger than the sum of its proper divisors (1).

122237146861 is an equidigital number, since it uses as much as digits as its factorization.

122237146861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 43.

The spelling of 122237146861 in words is "one hundred twenty-two billion, two hundred thirty-seven million, one hundred forty-six thousand, eight hundred sixty-one".