1224086 has 4 divisors (see below), whose sum is σ = 1836132. Its totient is φ = 612042.

The previous prime is 1224079. The next prime is 1224089. The reversal of 1224086 is 6804221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6804221 = 31 ⋅219491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224089) 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 as a sum of consecutive naturals, namely, 306020 + ... + 306023.

It is an arithmetic number, because the mean of its divisors is an integer number (459033).

2^1224086 is an apocalyptic number.

1224086 is a deficient number, since it is larger than the sum of its proper divisors (612046).

1224086 is an equidigital number, since it uses as much as digits as its factorization.

1224086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612045.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1224086 is about 1106.3842008995. The cubic root of 1224086 is about 106.9721300460.

The spelling of 1224086 in words is "one million, two hundred twenty-four thousand, eighty-six".