1018143 has 16 divisors (see below), whose sum is σ = 1724160. Its totient is φ = 581688.

The previous prime is 1018123. The next prime is 1018177. The reversal of 1018143 is 3418101.

1018143 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 1018143 - 2¹⁰ = 1017119 is a prime.

It is an alternating number because its digits alternate between odd and even.

1018143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2505 + ... + 2882.

It is an arithmetic number, because the mean of its divisors is an integer number (107760).

2^1018143 is an apocalyptic number.

1018143 is a deficient number, since it is larger than the sum of its proper divisors (706017).

1018143 is an equidigital number, since it uses as much as digits as its factorization.

1018143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5403 (or 5397 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1018143 is about 1009.0307230209. The cubic root of 1018143 is about 100.6011456642.

The spelling of 1018143 in words is "one million, eighteen thousand, one hundred forty-three".