1282943 has 2 divisors, whose sum is σ = 1282944. Its totient is φ = 1282942.

The previous prime is 1282933. The next prime is 1282951. The reversal of 1282943 is 3492821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1282943 - 2¹⁶ = 1217407 is a prime.

It is a Chen prime.

It is equal to p₉₈₈₂₂ and since 1282943 and 98822 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1282903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641471 + 641472.

It is an arithmetic number, because the mean of its divisors is an integer number (641472).

2^1282943 is an apocalyptic number.

1282943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282943 is an equidigital number, since it uses as much as digits as its factorization.

1282943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

The square root of 1282943 is about 1132.6707376815. The cubic root of 1282943 is about 108.6598548346.

The spelling of 1282943 in words is "one million, two hundred eighty-two thousand, nine hundred forty-three".