1227365 has 4 divisors (see below), whose sum is σ = 1472844. Its totient is φ = 981888.

The previous prime is 1227353. The next prime is 1227379. The reversal of 1227365 is 5637221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 231361 + 996004 = 481^2 + 998^2 .

It is a cyclic number.

It is not a de Polignac number, because 1227365 - 2⁶ = 1227301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 122732 + ... + 122741.

It is an arithmetic number, because the mean of its divisors is an integer number (368211).

2^1227365 is an apocalyptic number.

It is an amenable number.

1227365 is a deficient number, since it is larger than the sum of its proper divisors (245479).

1227365 is an equidigital number, since it uses as much as digits as its factorization.

1227365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245478.

The product of its digits is 2520, while the sum is 26.

The square root of 1227365 is about 1107.8650639857. The cubic root of 1227365 is about 107.0675614892.

The spelling of 1227365 in words is "one million, two hundred twenty-seven thousand, three hundred sixty-five".