122663361731 has 4 divisors (see below), whose sum is σ = 122674668600. Its totient is φ = 122652054864.

The previous prime is 122663361727. The next prime is 122663361761. The reversal of 122663361731 is 137163366221.

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

It is a cyclic number.

It is not a de Polignac number, because 122663361731 - 2² = 122663361727 is a prime.

It is a super-3 number, since 3×122663361731³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122663361761) 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, 5637146 + ... + 5658863.

It is an arithmetic number, because the mean of its divisors is an integer number (30668667150).

Almost surely, 2^122663361731 is an apocalyptic number.

122663361731 is a deficient number, since it is larger than the sum of its proper divisors (11306869).

122663361731 is a wasteful number, since it uses less digits than its factorization.

122663361731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11306868.

The product of its digits is 163296, while the sum is 41.

The spelling of 122663361731 in words is "one hundred twenty-two billion, six hundred sixty-three million, three hundred sixty-one thousand, seven hundred thirty-one".