122344456679 has 4 divisors (see below), whose sum is σ = 123077058384. Its totient is φ = 121611854976.

The previous prime is 122344456657. The next prime is 122344456721. The reversal of 122344456679 is 976654443221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122344456679 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 122344456679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122344456279) 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, 366300602 + ... + 366300935.

It is an arithmetic number, because the mean of its divisors is an integer number (30769264596).

Almost surely, 2^122344456679 is an apocalyptic number.

122344456679 is a deficient number, since it is larger than the sum of its proper divisors (732601705).

122344456679 is an equidigital number, since it uses as much as digits as its factorization.

122344456679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732601704.

The product of its digits is 8709120, while the sum is 53.

The spelling of 122344456679 in words is "one hundred twenty-two billion, three hundred forty-four million, four hundred fifty-six thousand, six hundred seventy-nine".