1246426343 has 2 divisors, whose sum is σ = 1246426344. Its totient is φ = 1246426342.

The previous prime is 1246426301. The next prime is 1246426397. The reversal of 1246426343 is 3436246421.

It is a weak prime.

It is an emirp because it is prime and its reverse (3436246421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1246426343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1246426243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623213171 + 623213172.

It is an arithmetic number, because the mean of its divisors is an integer number (623213172).

Almost surely, 2^1246426343 is an apocalyptic number.

1246426343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1246426343 is an equidigital number, since it uses as much as digits as its factorization.

1246426343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 35.

The square root of 1246426343 is about 35304.7637437216. The cubic root of 1246426343 is about 1076.1898037568.

The spelling of 1246426343 in words is "one billion, two hundred forty-six million, four hundred twenty-six thousand, three hundred forty-three".