143122424121 has 16 divisors (see below), whose sum is σ = 218873003520. Its totient is φ = 92337047280.

The previous prime is 143122424101. The next prime is 143122424171. The reversal of 143122424121 is 121424221341.

143122424121 is a `hidden beast` number, since 1 + 4 + 3 + 1 + 2 + 242 + 412 + 1 = 666.

It is not a de Polignac number, because 143122424121 - 2²⁶ = 143055315257 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (143122424101) 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, 85496430 + ... + 85498103.

It is an arithmetic number, because the mean of its divisors is an integer number (13679562720).

Almost surely, 2^143122424121 is an apocalyptic number.

It is an amenable number.

143122424121 is a deficient number, since it is larger than the sum of its proper divisors (75750579399).

143122424121 is a wasteful number, since it uses less digits than its factorization.

143122424121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170994573 (or 170994567 counting only the distinct ones).

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

Adding to 143122424121 its reverse (121424221341), we get a palindrome (264546645462).

The spelling of 143122424121 in words is "one hundred forty-three billion, one hundred twenty-two million, four hundred twenty-four thousand, one hundred twenty-one".