867143 has 2 divisors, whose sum is σ = 867144. Its totient is φ = 867142.

The previous prime is 867131. The next prime is 867151. The reversal of 867143 is 341768.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 867143 - 2⁶ = 867079 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (867173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433571 + 433572.

It is an arithmetic number, because the mean of its divisors is an integer number (433572).

2⁸⁶⁷¹⁴³ is an apocalyptic number.

867143 is a deficient number, since it is larger than the sum of its proper divisors (1).

867143 is an equidigital number, since it uses as much as digits as its factorization.

867143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 867143 is about 931.2051331474. The cubic root of 867143 is about 95.3594141346.

The spelling of 867143 in words is "eight hundred sixty-seven thousand, one hundred forty-three".