1009039 has 4 divisors (see below), whose sum is σ = 1015624. Its totient is φ = 1002456.

The previous prime is 1009037. The next prime is 1009049. The reversal of 1009039 is 9309001.

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 1009039 - 2¹ = 1009037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3057 + ... + 3370.

It is an arithmetic number, because the mean of its divisors is an integer number (253906).

2^1009039 is an apocalyptic number.

1009039 is a deficient number, since it is larger than the sum of its proper divisors (6585).

1009039 is an equidigital number, since it uses as much as digits as its factorization.

1009039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6584.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 1009039 is about 1004.5093329581. The cubic root of 1009039 is about 100.3003967146.

The spelling of 1009039 in words is "one million, nine thousand, thirty-nine".