1223441 has 4 divisors (see below), whose sum is σ = 1228800. Its totient is φ = 1218084.

The previous prime is 1223437. The next prime is 1223447. The reversal of 1223441 is 1443221.

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 a cyclic number.

It is not a de Polignac number, because 1223441 - 2² = 1223437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223447) 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, 2321 + ... + 2798.

It is an arithmetic number, because the mean of its divisors is an integer number (307200).

2^1223441 is an apocalyptic number.

It is an amenable number.

1223441 is a deficient number, since it is larger than the sum of its proper divisors (5359).

1223441 is an equidigital number, since it uses as much as digits as its factorization.

1223441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358.

The product of its digits is 192, while the sum is 17.

The square root of 1223441 is about 1106.0926724285. The cubic root of 1223441 is about 106.9533380259.

Adding to 1223441 its reverse (1443221), we get a palindrome (2666662).

The spelling of 1223441 in words is "one million, two hundred twenty-three thousand, four hundred forty-one".