122726769189 has 24 divisors (see below), whose sum is σ = 176677242528. Its totient is φ = 75742621440.

The previous prime is 122726769163. The next prime is 122726769229. The reversal of 122726769189 is 981967627221.

It is not a de Polignac number, because 122726769189 - 2⁸ = 122726768933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122726769149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1107387 + ... + 1213160.

It is an arithmetic number, because the mean of its divisors is an integer number (7361551772).

Almost surely, 2^122726769189 is an apocalyptic number.

It is an amenable number.

122726769189 is a deficient number, since it is larger than the sum of its proper divisors (53950473339).

122726769189 is a wasteful number, since it uses less digits than its factorization.

122726769189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320645 (or 2320628 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 60.

The spelling of 122726769189 in words is "one hundred twenty-two billion, seven hundred twenty-six million, seven hundred sixty-nine thousand, one hundred eighty-nine".