1167143 has 2 divisors, whose sum is σ = 1167144. Its totient is φ = 1167142.

The previous prime is 1167139. The next prime is 1167157. The reversal of 1167143 is 3417611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1167143 - 2² = 1167139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1167193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583571 + 583572.

It is an arithmetic number, because the mean of its divisors is an integer number (583572).

2^1167143 is an apocalyptic number.

1167143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167143 is an equidigital number, since it uses as much as digits as its factorization.

1167143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 23.

The square root of 1167143 is about 1080.3439267196. The cubic root of 1167143 is about 105.2869851193.

The spelling of 1167143 in words is "one million, one hundred sixty-seven thousand, one hundred forty-three".