1441009 has 2 divisors, whose sum is σ = 1441010. Its totient is φ = 1441008.

The previous prime is 1441007. The next prime is 1441031. The reversal of 1441009 is 9001441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 760384 + 680625 = 872^2 + 825^2 .

It is a cyclic number.

It is not a de Polignac number, because 1441009 - 2¹ = 1441007 is a prime.

Together with 1441007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1441001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720504 + 720505.

It is an arithmetic number, because the mean of its divisors is an integer number (720505).

2^1441009 is an apocalyptic number.

It is an amenable number.

1441009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1441009 is an equidigital number, since it uses as much as digits as its factorization.

1441009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1441009 is about 1200.4203430466. The cubic root of 1441009 is about 112.9506924565.

The spelling of 1441009 in words is "one million, four hundred forty-one thousand, nine".