1214421343 has 2 divisors, whose sum is σ = 1214421344. Its totient is φ = 1214421342.

The previous prime is 1214421337. The next prime is 1214421361. The reversal of 1214421343 is 3431244121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1214421343 - 2¹⁷ = 1214290271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214421323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607210671 + 607210672.

It is an arithmetic number, because the mean of its divisors is an integer number (607210672).

Almost surely, 2^1214421343 is an apocalyptic number.

1214421343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214421343 is an equidigital number, since it uses as much as digits as its factorization.

1214421343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 1214421343 is about 34848.5486498362. The cubic root of 1214421343 is about 1066.8985635243.

Adding to 1214421343 its reverse (3431244121), we get a palindrome (4645665464).

The spelling of 1214421343 in words is "one billion, two hundred fourteen million, four hundred twenty-one thousand, three hundred forty-three".