1224685 has 16 divisors (see below), whose sum is σ = 1832832. Its totient is φ = 763200.

The previous prime is 1224677. The next prime is 1224701. The reversal of 1224685 is 5864221.

It is not a de Polignac number, because 1224685 - 2³ = 1224677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1206 + ... + 1975.

It is an arithmetic number, because the mean of its divisors is an integer number (114552).

2^1224685 is an apocalyptic number.

It is an amenable number.

1224685 is a deficient number, since it is larger than the sum of its proper divisors (608147).

1224685 is a wasteful number, since it uses less digits than its factorization.

1224685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204.

The product of its digits is 3840, while the sum is 28.

The square root of 1224685 is about 1106.6548694150. The cubic root of 1224685 is about 106.9895759490.

The spelling of 1224685 in words is "one million, two hundred twenty-four thousand, six hundred eighty-five".