1039143 has 12 divisors (see below), whose sum is σ = 1611960. Its totient is φ = 593712.

The previous prime is 1039139. The next prime is 1039153. The reversal of 1039143 is 3419301.

It is not a de Polignac number, because 1039143 - 2² = 1039139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

1039143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1039153) 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, 3388 + ... + 3681.

It is an arithmetic number, because the mean of its divisors is an integer number (134330).

2^1039143 is an apocalyptic number.

1039143 is a deficient number, since it is larger than the sum of its proper divisors (572817).

1039143 is an equidigital number, since it uses as much as digits as its factorization.

1039143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7086 (or 7079 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1039143 is about 1019.3836373025. The cubic root of 1039143 is about 101.2881033238.

The spelling of 1039143 in words is "one million, thirty-nine thousand, one hundred forty-three".