1229263 has 6 divisors (see below), whose sum is σ = 1430016. Its totient is φ = 1053612.

The previous prime is 1229257. The next prime is 1229269. The reversal of 1229263 is 3629221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1229257) and next prime (1229269).

It is not a de Polignac number, because 1229263 - 2¹⁷ = 1098191 is a prime.

It is a super-2 number, since 2×1229263² = 3022175046338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229269) 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 5 ways as a sum of consecutive naturals, for example, 12495 + ... + 12592.

It is an arithmetic number, because the mean of its divisors is an integer number (238336).

2^1229263 is an apocalyptic number.

1229263 is a deficient number, since it is larger than the sum of its proper divisors (200753).

1229263 is an equidigital number, since it uses as much as digits as its factorization.

1229263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25101 (or 25094 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 1229263 is about 1108.7213355934. The cubic root of 1229263 is about 107.1227229045.

The spelling of 1229263 in words is "one million, two hundred twenty-nine thousand, two hundred sixty-three".