122561985059 has 8 divisors (see below), whose sum is σ = 123256289520. Its totient is φ = 121867869600.

The previous prime is 122561985019. The next prime is 122561985199. The reversal of 122561985059 is 950589165221.

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

It is a cyclic number.

It is not a de Polignac number, because 122561985059 - 2³⁶ = 53842508323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122561985059.

It is not an unprimeable number, because it can be changed into a prime (122561985019) 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 7 ways as a sum of consecutive naturals, for example, 1373804 + ... + 1460294.

It is an arithmetic number, because the mean of its divisors is an integer number (15407036190).

Almost surely, 2^122561985059 is an apocalyptic number.

122561985059 is a deficient number, since it is larger than the sum of its proper divisors (694304461).

122561985059 is an equidigital number, since it uses as much as digits as its factorization.

122561985059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94501.

The product of its (nonzero) digits is 1944000, while the sum is 53.

The spelling of 122561985059 in words is "one hundred twenty-two billion, five hundred sixty-one million, nine hundred eighty-five thousand, fifty-nine".