122745723726 has 32 divisors (see below), whose sum is σ = 247089185280. Its totient is φ = 40649745024.

The previous prime is 122745723691. The next prime is 122745723733. The reversal of 122745723726 is 627327547221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522081 + ... + 719763.

It is an arithmetic number, because the mean of its divisors is an integer number (7721537040).

Almost surely, 2^122745723726 is an apocalyptic number.

122745723726 is an abundant number, since it is smaller than the sum of its proper divisors (124343461554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122745723726 is a wasteful number, since it uses less digits than its factorization.

122745723726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198360.

The product of its digits is 1975680, while the sum is 48.

The spelling of 122745723726 in words is "one hundred twenty-two billion, seven hundred forty-five million, seven hundred twenty-three thousand, seven hundred twenty-six".