1244273 has 4 divisors (see below), whose sum is σ = 1277940. Its totient is φ = 1210608.

The previous prime is 1244263. The next prime is 1244279. The reversal of 1244273 is 3724421.

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 692224 + 552049 = 832^2 + 743^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244273 - 2²⁰ = 195697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1244279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16778 + ... + 16851.

It is an arithmetic number, because the mean of its divisors is an integer number (319485).

2^1244273 is an apocalyptic number.

It is an amenable number.

1244273 is a deficient number, since it is larger than the sum of its proper divisors (33667).

1244273 is an equidigital number, since it uses as much as digits as its factorization.

1244273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33666.

The product of its digits is 1344, while the sum is 23.

The square root of 1244273 is about 1115.4698561593. The cubic root of 1244273 is about 107.5569699835.

Adding to 1244273 its reverse (3724421), we get a palindrome (4968694).

The spelling of 1244273 in words is "one million, two hundred forty-four thousand, two hundred seventy-three".