122424143121 has 16 divisors (see below), whose sum is σ = 207278972800. Its totient is φ = 69956653104.

The previous prime is 122424143089. The next prime is 122424143189. The reversal of 122424143121 is 121341424221.

122424143121 is a `hidden beast` number, since 1 + 2 + 242 + 414 + 3 + 1 + 2 + 1 = 666.

It is not a de Polignac number, because 122424143121 - 2⁵ = 122424143089 is a prime.

It is a super-2 number, since 2×122424143121² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122424143921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323873206 + ... + 323873583.

It is an arithmetic number, because the mean of its divisors is an integer number (12954935800).

Almost surely, 2^122424143121 is an apocalyptic number.

It is an amenable number.

122424143121 is a deficient number, since it is larger than the sum of its proper divisors (84854829679).

122424143121 is an equidigital number, since it uses as much as digits as its factorization.

122424143121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647746805 (or 647746799 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 122424143121 its reverse (121341424221), we get a palindrome (243765567342).

The spelling of 122424143121 in words is "one hundred twenty-two billion, four hundred twenty-four million, one hundred forty-three thousand, one hundred twenty-one".