1226365 has 16 divisors (see below), whose sum is σ = 1729152. Its totient is φ = 817344.

The previous prime is 1226353. The next prime is 1226377. The reversal of 1226365 is 5636221.

It is an interprime number because it is at equal distance from previous prime (1226353) and next prime (1226377).

It is a cyclic number.

It is not a de Polignac number, because 1226365 - 2⁷ = 1226237 is a prime.

It is a super-2 number, since 2×1226365² = 3007942226450, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 2² + 2²⁰ + 6 + 3¹¹ + 6 + 5⁴ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 822 + ... + 1768.

It is an arithmetic number, because the mean of its divisors is an integer number (108072).

2^1226365 is an apocalyptic number.

It is an amenable number.

1226365 is a deficient number, since it is larger than the sum of its proper divisors (502787).

1226365 is an equidigital number, since it uses as much as digits as its factorization.

1226365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996.

The product of its digits is 2160, while the sum is 25.

The square root of 1226365 is about 1107.4136535189. The cubic root of 1226365 is about 107.0384756963.

The spelling of 1226365 in words is "one million, two hundred twenty-six thousand, three hundred sixty-five".