122664174517 has 4 divisors (see below), whose sum is σ = 127997399520. Its totient is φ = 117330949516.

The previous prime is 122664174487. The next prime is 122664174541. The reversal of 122664174517 is 715471466221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122664174517 - 2¹⁵ = 122664141749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122664174817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2666612467 + ... + 2666612512.

It is an arithmetic number, because the mean of its divisors is an integer number (31999349880).

Almost surely, 2^122664174517 is an apocalyptic number.

It is an amenable number.

122664174517 is a deficient number, since it is larger than the sum of its proper divisors (5333225003).

122664174517 is an equidigital number, since it uses as much as digits as its factorization.

122664174517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333225002.

The product of its digits is 564480, while the sum is 46.

The spelling of 122664174517 in words is "one hundred twenty-two billion, six hundred sixty-four million, one hundred seventy-four thousand, five hundred seventeen".