1224189 has 12 divisors (see below), whose sum is σ = 1861600. Its totient is φ = 773064.

The previous prime is 1224169. The next prime is 1224193. The reversal of 1224189 is 9814221.

It is not a de Polignac number, because 1224189 - 2¹⁶ = 1158653 is a prime.

It is a Duffinian number.

It is a Curzon number.

1224189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3409 + ... + 3750.

2^1224189 is an apocalyptic number.

1224189 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1224189 is a deficient number, since it is larger than the sum of its proper divisors (637411).

1224189 is a wasteful number, since it uses less digits than its factorization.

1224189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7184 (or 7181 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 1224189 is about 1106.4307479458. The cubic root of 1224189 is about 106.9751303309.

The spelling of 1224189 in words is "one million, two hundred twenty-four thousand, one hundred eighty-nine".