122664172067 has 2 divisors, whose sum is σ = 122664172068. Its totient is φ = 122664172066.

The previous prime is 122664172031. The next prime is 122664172153. The reversal of 122664172067 is 760271466221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122664172067 - 2¹⁸ = 122663909923 is a prime.

It is not a weakly prime, because it can be changed into another prime (122664172667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61332086033 + 61332086034.

It is an arithmetic number, because the mean of its divisors is an integer number (61332086034).

Almost surely, 2^122664172067 is an apocalyptic number.

122664172067 is a deficient number, since it is larger than the sum of its proper divisors (1).

122664172067 is an equidigital number, since it uses as much as digits as its factorization.

122664172067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 122664172067 in words is "one hundred twenty-two billion, six hundred sixty-four million, one hundred seventy-two thousand, sixty-seven".