443245121 has 16 divisors (see below), whose sum is σ = 509224320. Its totient is φ = 381870720.

The previous prime is 443245081. The next prime is 443245139. The reversal of 443245121 is 121542344.

It is not a de Polignac number, because 443245121 - 2⁶ = 443245057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (443245171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19541 + ... + 35613.

It is an arithmetic number, because the mean of its divisors is an integer number (31826520).

Almost surely, 2^443245121 is an apocalyptic number.

It is an amenable number.

443245121 is a deficient number, since it is larger than the sum of its proper divisors (65979199).

443245121 is a wasteful number, since it uses less digits than its factorization.

443245121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16216.

The product of its digits is 3840, while the sum is 26.

The square root of 443245121 is about 21053.3873996561. The cubic root of 443245121 is about 762.4557686786.

Adding to 443245121 its reverse (121542344), we get a palindrome (564787465).

The spelling of 443245121 in words is "four hundred forty-three million, two hundred forty-five thousand, one hundred twenty-one".