1090143 has 12 divisors (see below), whose sum is σ = 1602120. Its totient is φ = 714096.

The previous prime is 1090129. The next prime is 1090151. The reversal of 1090143 is 3410901.

It is not a de Polignac number, because 1090143 - 2⁴ = 1090127 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 496 + ... + 1557.

It is an arithmetic number, because the mean of its divisors is an integer number (133510).

2^1090143 is an apocalyptic number.

1090143 is a deficient number, since it is larger than the sum of its proper divisors (511977).

1090143 is a wasteful number, since it uses less digits than its factorization.

1090143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118 (or 2115 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1090143 is about 1044.0991332244. The cubic root of 1090143 is about 102.9187469916.

The spelling of 1090143 in words is "one million, ninety thousand, one hundred forty-three".