122664170121 has 4 divisors (see below), whose sum is σ = 163552226832. Its totient is φ = 81776113412.

The previous prime is 122664170087. The next prime is 122664170149. The reversal of 122664170121 is 121071466221.

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 122664170121 - 2¹⁰ = 122664169097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122664170171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20444028351 + ... + 20444028356.

It is an arithmetic number, because the mean of its divisors is an integer number (40888056708).

Almost surely, 2^122664170121 is an apocalyptic number.

It is an amenable number.

122664170121 is a deficient number, since it is larger than the sum of its proper divisors (40888056711).

122664170121 is an equidigital number, since it uses as much as digits as its factorization.

122664170121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40888056710.

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 122664170121 in words is "one hundred twenty-two billion, six hundred sixty-four million, one hundred seventy thousand, one hundred twenty-one".