1246943 has 2 divisors, whose sum is σ = 1246944. Its totient is φ = 1246942.

The previous prime is 1246919. The next prime is 1246961. The reversal of 1246943 is 3496421.

It is a strong prime.

It is an emirp because it is prime and its reverse (3496421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1246943 - 2⁶ = 1246879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1246963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623471 + 623472.

It is an arithmetic number, because the mean of its divisors is an integer number (623472).

2^1246943 is an apocalyptic number.

1246943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1246943 is an equidigital number, since it uses as much as digits as its factorization.

1246943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The square root of 1246943 is about 1116.6660199003. Note that the first 3 decimals coincide. The cubic root of 1246943 is about 107.6338480596.

The spelling of 1246943 in words is "one million, two hundred forty-six thousand, nine hundred forty-three".