122556611744 has 24 divisors (see below), whose sum is σ = 275752376928. Its totient is φ = 52524262080.

The previous prime is 122556611729. The next prime is 122556611747. The reversal of 122556611744 is 447116655221.

It is a junction number, because it is equal to n+sod(n) for n = 122556611695 and 122556611704.

It is not an unprimeable number, because it can be changed into a prime (122556611747) 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 3 ways as a sum of consecutive naturals, for example, 273563642 + ... + 273564089.

It is an arithmetic number, because the mean of its divisors is an integer number (11489682372).

Almost surely, 2^122556611744 is an apocalyptic number.

122556611744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

122556611744 is an abundant number, since it is smaller than the sum of its proper divisors (153195765184).

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

122556611744 is an equidigital number, since it uses as much as digits as its factorization.

122556611744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547127748 (or 547127740 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The spelling of 122556611744 in words is "one hundred twenty-two billion, five hundred fifty-six million, six hundred eleven thousand, seven hundred forty-four".