122726337988864 has 27 divisors (see below), whose sum is σ = 244973630030227. Its totient is φ = 61363080368896.

The previous prime is 122726337988847. The next prime is 122726337988867. The reversal of 122726337988864 is 468889733627221.

It is a happy number.

The square root of 122726337988864 is 11078192.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122726337988867) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 176904879 + ... + 177597265.

Almost surely, 2^{122726337988864} is an apocalyptic number.

122726337988864 is the 11078192-nd square number.

It is an amenable number.

122726337988864 is a deficient number, since it is larger than the sum of its proper divisors (122247292041363).

122726337988864 is an frugal number, since it uses more digits than its factorization.

122726337988864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384790 (or 692389 counting only the distinct ones).

The product of its digits is 2341011456, while the sum is 76.

The spelling of 122726337988864 in words is "one hundred twenty-two trillion, seven hundred twenty-six billion, three hundred thirty-seven million, nine hundred eighty-eight thousand, eight hundred sixty-four".