1244449 has 4 divisors (see below), whose sum is σ = 1250964. Its totient is φ = 1237936.

The previous prime is 1244447. The next prime is 1244459. The reversal of 1244449 is 9444421.

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 1014049 + 230400 = 1007^2 + 480^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244449 - 2¹ = 1244447 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1244447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2962 + ... + 3355.

It is an arithmetic number, because the mean of its divisors is an integer number (312741).

2^1244449 is an apocalyptic number.

It is an amenable number.

1244449 is a deficient number, since it is larger than the sum of its proper divisors (6515).

1244449 is an equidigital number, since it uses as much as digits as its factorization.

1244449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6514.

The product of its digits is 4608, while the sum is 28.

The square root of 1244449 is about 1115.5487438924. The cubic root of 1244449 is about 107.5620409859.

Subtracting from 1244449 its sum of digits (28), we obtain a palindrome (1244421).

The spelling of 1244449 in words is "one million, two hundred forty-four thousand, four hundred forty-nine".