143411121 has 16 divisors (see below), whose sum is σ = 242812800. Its totient is φ = 81949104.

The previous prime is 143411113. The next prime is 143411131. The reversal of 143411121 is 121114341.

It is not a de Polignac number, because 143411121 - 2³ = 143411113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143411094 and 143411103.

It is not an unprimeable number, because it can be changed into a prime (143411111) 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, 379206 + ... + 379583.

It is an arithmetic number, because the mean of its divisors is an integer number (15175800).

Almost surely, 2^143411121 is an apocalyptic number.

It is an amenable number.

143411121 is a deficient number, since it is larger than the sum of its proper divisors (99401679).

143411121 is an equidigital number, since it uses as much as digits as its factorization.

143411121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758805 (or 758799 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 143411121 is about 11975.4382383276. The cubic root of 143411121 is about 523.4328121258.

Adding to 143411121 its reverse (121114341), we get a palindrome (264525462).

The spelling of 143411121 in words is "one hundred forty-three million, four hundred eleven thousand, one hundred twenty-one".