1244426 has 8 divisors (see below), whose sum is σ = 1871424. Its totient is φ = 620620.

The previous prime is 1244423. The next prime is 1244429. The reversal of 1244426 is 6244421.

It is an interprime number because it is at equal distance from previous prime (1244423) and next prime (1244429).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1244423) 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 3 ways as a sum of consecutive naturals, for example, 911 + ... + 1821.

It is an arithmetic number, because the mean of its divisors is an integer number (233928).

2^1244426 is an apocalyptic number.

1244426 is the 911-st pentagonal number.

1244426 is a deficient number, since it is larger than the sum of its proper divisors (626998).

1244426 is an equidigital number, since it uses as much as digits as its factorization.

1244426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596.

The product of its digits is 1536, while the sum is 23.

The square root of 1244426 is about 1115.5384350169. The cubic root of 1244426 is about 107.5613783253.

Adding to 1244426 its reverse (6244421), we get a palindrome (7488847).

The spelling of 1244426 in words is "one million, two hundred forty-four thousand, four hundred twenty-six".