122718287963 has 4 divisors (see below), whose sum is σ = 122922478728. Its totient is φ = 122514097200.

The previous prime is 122718287947. The next prime is 122718288001. The reversal of 122718287963 is 369782817221.

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 122718287963 - 2⁴ = 122718287947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122718287899 and 122718287908.

It is not an unprimeable number, because it can be changed into a prime (122718287903) 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, 102094481 + ... + 102095682.

It is an arithmetic number, because the mean of its divisors is an integer number (30730619682).

Almost surely, 2^122718287963 is an apocalyptic number.

122718287963 is a deficient number, since it is larger than the sum of its proper divisors (204190765).

122718287963 is an equidigital number, since it uses as much as digits as its factorization.

122718287963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204190764.

The product of its digits is 4064256, while the sum is 56.

It can be divided in two parts, 1227182879 and 63, that multiplied together give a palindrome (77312521377).

The spelling of 122718287963 in words is "one hundred twenty-two billion, seven hundred eighteen million, two hundred eighty-seven thousand, nine hundred sixty-three".