1017143 has 4 divisors (see below), whose sum is σ = 1025280. Its totient is φ = 1009008.

The previous prime is 1017139. The next prime is 1017157. The reversal of 1017143 is 3417101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1017143 - 2² = 1017139 is a prime.

It is a Duffinian number.

It is a plaindrome in base 6.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1017173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3878 + ... + 4131.

It is an arithmetic number, because the mean of its divisors is an integer number (256320).

2^1017143 is an apocalyptic number.

1017143 is a deficient number, since it is larger than the sum of its proper divisors (8137).

1017143 is an equidigital number, since it uses as much as digits as its factorization.

1017143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8136.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 1017143 is about 1008.5350762368. The cubic root of 1017143 is about 100.5681987207.

The spelling of 1017143 in words is "one million, seventeen thousand, one hundred forty-three".