352143121 has 4 divisors (see below), whose sum is σ = 384156144. Its totient is φ = 320130100.

The previous prime is 352143119. The next prime is 352143163. The reversal of 352143121 is 121341253.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121341253 = 11 ⋅11031023.

It is a cyclic number.

It is not a de Polignac number, because 352143121 - 2¹ = 352143119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 352143092 and 352143101.

It is not an unprimeable number, because it can be changed into a prime (352143191) 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, 16006495 + ... + 16006516.

It is an arithmetic number, because the mean of its divisors is an integer number (96039036).

Almost surely, 2^352143121 is an apocalyptic number.

It is an amenable number.

352143121 is a deficient number, since it is larger than the sum of its proper divisors (32013023).

352143121 is a wasteful number, since it uses less digits than its factorization.

352143121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32013022.

The product of its digits is 720, while the sum is 22.

The square root of 352143121 is about 18765.4768391320. The cubic root of 352143121 is about 706.1653486031.

Adding to 352143121 its reverse (121341253), we get a palindrome (473484374).

The spelling of 352143121 in words is "three hundred fifty-two million, one hundred forty-three thousand, one hundred twenty-one".