1226263 has 2 divisors, whose sum is σ = 1226264. Its totient is φ = 1226262.

The previous prime is 1226257. The next prime is 1226293. The reversal of 1226263 is 3626221.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3626221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1226263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226213) 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 as a sum of consecutive naturals, namely, 613131 + 613132.

It is an arithmetic number, because the mean of its divisors is an integer number (613132).

2^1226263 is an apocalyptic number.

1226263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226263 is an equidigital number, since it uses as much as digits as its factorization.

1226263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 1226263 is about 1107.3675993093. The cubic root of 1226263 is about 107.0355080569.

The spelling of 1226263 in words is "one million, two hundred twenty-six thousand, two hundred sixty-three".