1244003 has 2 divisors, whose sum is σ = 1244004. Its totient is φ = 1244002.

The previous prime is 1243997. The next prime is 1244021. The reversal of 1244003 is 3004421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1244003 - 2⁶ = 1243939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1244053) 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 as a sum of consecutive naturals, namely, 622001 + 622002.

It is an arithmetic number, because the mean of its divisors is an integer number (622002).

2^1244003 is an apocalyptic number.

1244003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244003 is an equidigital number, since it uses as much as digits as its factorization.

1244003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1244003 is about 1115.3488243594. The cubic root of 1244003 is about 107.5491896752.

Adding to 1244003 its reverse (3004421), we get a palindrome (4248424).

The spelling of 1244003 in words is "one million, two hundred forty-four thousand, three".