143121122 has 8 divisors (see below), whose sum is σ = 216103872. Its totient is φ = 71086500.

The previous prime is 143121109. The next prime is 143121127. The reversal of 143121122 is 221121341.

143121122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 143121122.

It is not an unprimeable number, because it can be changed into a prime (143121127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236654 + ... + 237257.

It is an arithmetic number, because the mean of its divisors is an integer number (27012984).

Almost surely, 2^143121122 is an apocalyptic number.

143121122 is a deficient number, since it is larger than the sum of its proper divisors (72982750).

143121122 is a wasteful number, since it uses less digits than its factorization.

143121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474064.

The product of its digits is 96, while the sum is 17.

The square root of 143121122 is about 11963.3240364039. The cubic root of 143121122 is about 523.0797539074.

Adding to 143121122 its reverse (221121341), we get a palindrome (364242463).

The spelling of 143121122 in words is "one hundred forty-three million, one hundred twenty-one thousand, one hundred twenty-two".