1224811 has 8 divisors (see below), whose sum is σ = 1437920. Its totient is φ = 1021248.

The previous prime is 1224809. The next prime is 1224823. The reversal of 1224811 is 1184221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1224811 - 2¹ = 1224809 is a prime.

It is a Duffinian number.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2106 + ... + 2623.

It is an arithmetic number, because the mean of its divisors is an integer number (179740).

2^1224811 is an apocalyptic number.

1224811 is a deficient number, since it is larger than the sum of its proper divisors (213109).

1224811 is an equidigital number, since it uses as much as digits as its factorization.

1224811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4773.

The product of its digits is 128, while the sum is 19.

The square root of 1224811 is about 1106.7117962686. The cubic root of 1224811 is about 106.9932449807.

The spelling of 1224811 in words is "one million, two hundred twenty-four thousand, eight hundred eleven".