441043121 has 4 divisors (see below), whose sum is σ = 466986852. Its totient is φ = 415099392.

The previous prime is 441043117. The next prime is 441043139. The reversal of 441043121 is 121340144.

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

It can be written as a sum of positive squares in 2 ways, for example, as 312900721 + 128142400 = 17689^2 + 11320^2 .

It is a cyclic number.

It is not a de Polignac number, because 441043121 - 2² = 441043117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 441043093 and 441043102.

It is not an unprimeable number, because it can be changed into a prime (441043721) 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 3 ways as a sum of consecutive naturals, for example, 12971840 + ... + 12971873.

It is an arithmetic number, because the mean of its divisors is an integer number (116746713).

Almost surely, 2^441043121 is an apocalyptic number.

It is an amenable number.

441043121 is a deficient number, since it is larger than the sum of its proper divisors (25943731).

441043121 is a wasteful number, since it uses less digits than its factorization.

441043121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25943730.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 441043121 is about 21001.0266653800. The cubic root of 441043121 is about 761.1910692506.

Adding to 441043121 its reverse (121340144), we get a palindrome (562383265).

The spelling of 441043121 in words is "four hundred forty-one million, forty-three thousand, one hundred twenty-one".