122752777799 has 8 divisors (see below), whose sum is σ = 123305445360. Its totient is φ = 122200255296.

The previous prime is 122752777781. The next prime is 122752777859. The reversal of 122752777799 is 997777257221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122752777799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122752777099) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1888667 + ... + 1952579.

It is an arithmetic number, because the mean of its divisors is an integer number (15413180670).

Almost surely, 2^122752777799 is an apocalyptic number.

122752777799 is a deficient number, since it is larger than the sum of its proper divisors (552667561).

122752777799 is an equidigital number, since it uses as much as digits as its factorization.

122752777799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72529.

The product of its digits is 54454680, while the sum is 65.

The spelling of 122752777799 in words is "one hundred twenty-two billion, seven hundred fifty-two million, seven hundred seventy-seven thousand, seven hundred ninety-nine".