122166038597 has 2 divisors, whose sum is σ = 122166038598. Its totient is φ = 122166038596.

The previous prime is 122166038581. The next prime is 122166038611. The reversal of 122166038597 is 795830661221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116274862081 + 5891176516 = 340991^2 + 76754^2 .

It is a cyclic number.

It is not a de Polignac number, because 122166038597 - 2⁴ = 122166038581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122166038507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61083019298 + 61083019299.

It is an arithmetic number, because the mean of its divisors is an integer number (61083019299).

Almost surely, 2^122166038597 is an apocalyptic number.

It is an amenable number.

122166038597 is a deficient number, since it is larger than the sum of its proper divisors (1).

122166038597 is an equidigital number, since it uses as much as digits as its factorization.

122166038597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 122166038597 in words is "one hundred twenty-two billion, one hundred sixty-six million, thirty-eight thousand, five hundred ninety-seven".