443241121 has 2 divisors, whose sum is σ = 443241122. Its totient is φ = 443241120.

The previous prime is 443241103. The next prime is 443241157. The reversal of 443241121 is 121142344.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 423536400 + 19704721 = 20580^2 + 4439^2 .

It is a cyclic number.

It is not a de Polignac number, because 443241121 - 2⁵ = 443241089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 443241092 and 443241101.

It is not a weakly prime, because it can be changed into another prime (443241521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221620560 + 221620561.

It is an arithmetic number, because the mean of its divisors is an integer number (221620561).

Almost surely, 2^443241121 is an apocalyptic number.

It is an amenable number.

443241121 is a deficient number, since it is larger than the sum of its proper divisors (1).

443241121 is an equidigital number, since it uses as much as digits as its factorization.

443241121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 22.

The square root of 443241121 is about 21053.2924028523. The cubic root of 443241121 is about 762.4534751152.

Adding to 443241121 its reverse (121142344), we get a palindrome (564383465).

The spelling of 443241121 in words is "four hundred forty-three million, two hundred forty-one thousand, one hundred twenty-one".