443134121 has 8 divisors (see below), whose sum is σ = 474039720. Its totient is φ = 412766208.

The previous prime is 443134117. The next prime is 443134141. The reversal of 443134121 is 121431344.

It can be written as a sum of positive squares in 4 ways, for example, as 8620096 + 434514025 = 2936^2 + 20845^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 443134121 - 2² = 443134117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (443134141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132716 + ... + 136013.

It is an arithmetic number, because the mean of its divisors is an integer number (59254965).

Almost surely, 2^443134121 is an apocalyptic number.

It is an amenable number.

443134121 is a deficient number, since it is larger than the sum of its proper divisors (30905599).

443134121 is a wasteful number, since it uses less digits than its factorization.

443134121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268843.

The product of its digits is 1152, while the sum is 23.

The square root of 443134121 is about 21050.7510792371. The cubic root of 443134121 is about 762.3921171744.

Adding to 443134121 its reverse (121431344), we get a palindrome (564565465).

The spelling of 443134121 in words is "four hundred forty-three million, one hundred thirty-four thousand, one hundred twenty-one".