122680628121 has 16 divisors (see below), whose sum is σ = 164074742208. Its totient is φ = 81537177600.

The previous prime is 122680628093. The next prime is 122680628153. The reversal of 122680628121 is 121826086221.

It is a happy number.

It is not a de Polignac number, because 122680628121 - 2⁵ = 122680628089 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122680628121.

It is not an unprimeable number, because it can be changed into a prime (122680628171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1270726 + ... + 1363856.

It is an arithmetic number, because the mean of its divisors is an integer number (10254671388).

Almost surely, 2^122680628121 is an apocalyptic number.

It is an amenable number.

122680628121 is a deficient number, since it is larger than the sum of its proper divisors (41394114087).

122680628121 is an equidigital number, since it uses as much as digits as its factorization.

122680628121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94472.

The product of its (nonzero) digits is 36864, while the sum is 39.

The spelling of 122680628121 in words is "one hundred twenty-two billion, six hundred eighty million, six hundred twenty-eight thousand, one hundred twenty-one".