1002039 has 8 divisors (see below), whose sum is σ = 1343232. Its totient is φ = 664440.

The previous prime is 1002017. The next prime is 1002049. The reversal of 1002039 is 9302001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1002039 - 2⁷ = 1001911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159 + ... + 1424.

It is an arithmetic number, because the mean of its divisors is an integer number (167904).

2^1002039 is an apocalyptic number.

1002039 is a deficient number, since it is larger than the sum of its proper divisors (341193).

1002039 is a wasteful number, since it uses less digits than its factorization.

1002039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1002039 is about 1001.0189808390. The cubic root of 1002039 is about 100.0679205242.

The spelling of 1002039 in words is "one million, two thousand, thirty-nine".