1224199 has 4 divisors (see below), whose sum is σ = 1230736. Its totient is φ = 1217664.

The previous prime is 1224193. The next prime is 1224203. The reversal of 1224199 is 9914221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1224199 - 2⁹ = 1223687 is a prime.

It is a Duffinian number.

1224199 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224193) 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, 2979 + ... + 3364.

It is an arithmetic number, because the mean of its divisors is an integer number (307684).

2^1224199 is an apocalyptic number.

1224199 is a deficient number, since it is larger than the sum of its proper divisors (6537).

1224199 is an equidigital number, since it uses as much as digits as its factorization.

1224199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6536.

The product of its digits is 1296, while the sum is 28.

The square root of 1224199 is about 1106.4352669723. The cubic root of 1224199 is about 106.9754216118.

The spelling of 1224199 in words is "one million, two hundred twenty-four thousand, one hundred ninety-nine".