1231226 has 8 divisors (see below), whose sum is σ = 1867860. Its totient is φ = 608608.

The previous prime is 1231207. The next prime is 1231229. The reversal of 1231226 is 6221321.

It can be written as a sum of positive squares in 2 ways, for example, as 1221025 + 10201 = 1105^2 + 101^2 .

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 (1231229) 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, 3281 + ... + 3636.

2^1231226 is an apocalyptic number.

1231226 is a deficient number, since it is larger than the sum of its proper divisors (636634).

1231226 is an equidigital number, since it uses as much as digits as its factorization.

1231226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7008.

The product of its digits is 144, while the sum is 17.

The square root of 1231226 is about 1109.6062364641. The cubic root of 1231226 is about 107.1797137116.

Adding to 1231226 its reverse (6221321), we get a palindrome (7452547).

The spelling of 1231226 in words is "one million, two hundred thirty-one thousand, two hundred twenty-six".