1224836 has 6 divisors (see below), whose sum is σ = 2143470. Its totient is φ = 612416.

The previous prime is 1224823. The next prime is 1224851. The reversal of 1224836 is 6384221.

It can be written as a sum of positive squares in only one way, i.e., 1223236 + 1600 = 1106^2 + 40^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153101 + ... + 153108.

It is an arithmetic number, because the mean of its divisors is an integer number (357245).

2^1224836 is an apocalyptic number.

It is an amenable number.

1224836 is a deficient number, since it is larger than the sum of its proper divisors (918634).

1224836 is a wasteful number, since it uses less digits than its factorization.

1224836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306213 (or 306211 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 1224836 is about 1106.7230909311. The cubic root of 1224836 is about 106.9939729333.

The spelling of 1224836 in words is "one million, two hundred twenty-four thousand, eight hundred thirty-six".