1224943 has 2 divisors, whose sum is σ = 1224944. Its totient is φ = 1224942.

The previous prime is 1224919. The next prime is 1224953. The reversal of 1224943 is 3494221.

It is a strong prime.

It is an emirp because it is prime and its reverse (3494221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1224943 - 2¹³ = 1216751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612471 + 612472.

It is an arithmetic number, because the mean of its divisors is an integer number (612472).

2^1224943 is an apocalyptic number.

1224943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224943 is an equidigital number, since it uses as much as digits as its factorization.

1224943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 1224943 is about 1106.7714307842. The cubic root of 1224943 is about 106.9970884583.

The spelling of 1224943 in words is "one million, two hundred twenty-four thousand, nine hundred forty-three".