1244289 has 4 divisors (see below), whose sum is σ = 1659056. Its totient is φ = 829524.

The previous prime is 1244279. The next prime is 1244293. The reversal of 1244289 is 9824421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1244289 - 2¹² = 1240193 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244249) 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, 207379 + ... + 207384.

It is an arithmetic number, because the mean of its divisors is an integer number (414764).

2^1244289 is an apocalyptic number.

It is an amenable number.

1244289 is a deficient number, since it is larger than the sum of its proper divisors (414767).

1244289 is an equidigital number, since it uses as much as digits as its factorization.

1244289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414766.

The product of its digits is 4608, while the sum is 30.

The square root of 1244289 is about 1115.4770280019. The cubic root of 1244289 is about 107.5574310035.

The spelling of 1244289 in words is "one million, two hundred forty-four thousand, two hundred eighty-nine".