432444121 has 6 divisors (see below), whose sum is σ = 434988350. Its totient is φ = 429914688.

The previous prime is 432444083. The next prime is 432444157. The reversal of 432444121 is 121444234.

It can be written as a sum of positive squares in 3 ways, for example, as 377758096 + 54686025 = 19436^2 + 7395^2 .

It is a de Polignac number, because none of the positive numbers 2^k-432444121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432444821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22705 + ... + 37153.

Almost surely, 2^432444121 is an apocalyptic number.

It is an amenable number.

432444121 is a deficient number, since it is larger than the sum of its proper divisors (2544229).

432444121 is an equidigital number, since it uses as much as digits as its factorization.

432444121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14795 (or 14622 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 432444121 is about 20795.2908371102. The cubic root of 432444121 is about 756.2115955636.

Adding to 432444121 its reverse (121444234), we get a palindrome (553888355).

The spelling of 432444121 in words is "four hundred thirty-two million, four hundred forty-four thousand, one hundred twenty-one".