122663365505 has 16 divisors (see below), whose sum is σ = 148157904384. Its totient is φ = 97491246720.

The previous prime is 122663365499. The next prime is 122663365577. The reversal of 122663365505 is 505563366221.

It is not a de Polignac number, because 122663365505 - 2⁸ = 122663365249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 435437 + ... + 659493.

It is an arithmetic number, because the mean of its divisors is an integer number (9259869024).

Almost surely, 2^122663365505 is an apocalyptic number.

It is an amenable number.

122663365505 is a deficient number, since it is larger than the sum of its proper divisors (25494538879).

122663365505 is a wasteful number, since it uses less digits than its factorization.

122663365505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224776.

The product of its (nonzero) digits is 972000, while the sum is 44.

The spelling of 122663365505 in words is "one hundred twenty-two billion, six hundred sixty-three million, three hundred sixty-five thousand, five hundred five".