1224885 has 16 divisors (see below), whose sum is σ = 2013696. Its totient is φ = 635328.

The previous prime is 1224869. The next prime is 1224887. The reversal of 1224885 is 5884221.

It is not a de Polignac number, because 1224885 - 2⁴ = 1224869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549 + ... + 1658.

It is an arithmetic number, because the mean of its divisors is an integer number (125856).

2^1224885 is an apocalyptic number.

1224885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1224885 is a deficient number, since it is larger than the sum of its proper divisors (788811).

1224885 is a wasteful number, since it uses less digits than its factorization.

1224885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252.

The product of its digits is 5120, while the sum is 30.

The square root of 1224885 is about 1106.7452281352. The cubic root of 1224885 is about 106.9953996916.

The spelling of 1224885 in words is "one million, two hundred twenty-four thousand, eight hundred eighty-five".