122342768489 has 4 divisors (see below), whose sum is σ = 126289309440. Its totient is φ = 118396227540.

The previous prime is 122342768477. The next prime is 122342768503. The reversal of 122342768489 is 984867243221.

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 122342768489 - 2¹² = 122342764393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122342768189) 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, 1973270429 + ... + 1973270490.

It is an arithmetic number, because the mean of its divisors is an integer number (31572327360).

Almost surely, 2^122342768489 is an apocalyptic number.

It is an amenable number.

122342768489 is a deficient number, since it is larger than the sum of its proper divisors (3946540951).

122342768489 is an equidigital number, since it uses as much as digits as its factorization.

122342768489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946540950.

The product of its digits is 9289728, while the sum is 56.

The spelling of 122342768489 in words is "one hundred twenty-two billion, three hundred forty-two million, seven hundred sixty-eight thousand, four hundred eighty-nine".