1443241 has 4 divisors (see below), whose sum is σ = 1478484. Its totient is φ = 1408000.

The previous prime is 1443223. The next prime is 1443257. The reversal of 1443241 is 1423441.

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 384400 + 1058841 = 620^2 + 1029^2 .

It is a cyclic number.

It is not a de Polignac number, because 1443241 - 2¹⁷ = 1312169 is a prime.

It is a Duffinian number.

1443241 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443271) 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, 17560 + ... + 17641.

It is an arithmetic number, because the mean of its divisors is an integer number (369621).

2^1443241 is an apocalyptic number.

It is an amenable number.

1443241 is a deficient number, since it is larger than the sum of its proper divisors (35243).

1443241 is an equidigital number, since it uses as much as digits as its factorization.

1443241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35242.

The product of its digits is 384, while the sum is 19.

The square root of 1443241 is about 1201.3496576767. The cubic root of 1443241 is about 113.0089793684.

Adding to 1443241 its reverse (1423441), we get a palindrome (2866682).

The spelling of 1443241 in words is "one million, four hundred forty-three thousand, two hundred forty-one".