441121231 has 4 divisors (see below), whose sum is σ = 444341232. Its totient is φ = 437901232.

The previous prime is 441121207. The next prime is 441121243. The reversal of 441121231 is 132121144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 441121231 - 2¹³ = 441113039 is a prime.

It is a super-2 number, since 2×441121231² = 389175880877910722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 441121199 and 441121208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441131231) 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, 1609795 + ... + 1610068.

It is an arithmetic number, because the mean of its divisors is an integer number (111085308).

Almost surely, 2^441121231 is an apocalyptic number.

441121231 is a deficient number, since it is larger than the sum of its proper divisors (3220001).

441121231 is a wasteful number, since it uses less digits than its factorization.

441121231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220000.

The product of its digits is 192, while the sum is 19.

The square root of 441121231 is about 21002.8862540366. The cubic root of 441121231 is about 761.2360029710.

Adding to 441121231 its reverse (132121144), we get a palindrome (573242375).

The spelling of 441121231 in words is "four hundred forty-one million, one hundred twenty-one thousand, two hundred thirty-one".