1244263 has 2 divisors, whose sum is σ = 1244264. Its totient is φ = 1244262.

The previous prime is 1244261. The next prime is 1244279. The reversal of 1244263 is 3624421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1244263 - 2¹ = 1244261 is a prime.

Together with 1244261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244261) 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, 622131 + 622132.

It is an arithmetic number, because the mean of its divisors is an integer number (622132).

2^1244263 is an apocalyptic number.

1244263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244263 is an equidigital number, since it uses as much as digits as its factorization.

1244263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 22.

The square root of 1244263 is about 1115.4653737342. The cubic root of 1244263 is about 107.5566818440.

Adding to 1244263 its reverse (3624421), we get a palindrome (4868684).

The spelling of 1244263 in words is "one million, two hundred forty-four thousand, two hundred sixty-three".