1214402543 has 2 divisors, whose sum is σ = 1214402544. Its totient is φ = 1214402542.

The previous prime is 1214402533. The next prime is 1214402549. The reversal of 1214402543 is 3452044121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1214402543 - 2¹⁰ = 1214401519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214402549) 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, 607201271 + 607201272.

It is an arithmetic number, because the mean of its divisors is an integer number (607201272).

Almost surely, 2^1214402543 is an apocalyptic number.

1214402543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214402543 is an equidigital number, since it uses as much as digits as its factorization.

1214402543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1214402543 is about 34848.2789101557. The cubic root of 1214402543 is about 1066.8930580775.

Adding to 1214402543 its reverse (3452044121), we get a palindrome (4666446664).

The spelling of 1214402543 in words is "one billion, two hundred fourteen million, four hundred two thousand, five hundred forty-three".