1004139 has 12 divisors (see below), whose sum is σ = 1535976. Its totient is φ = 629952.

The previous prime is 1004137. The next prime is 1004141. The reversal of 1004139 is 9314001.

It is an interprime number because it is at equal distance from previous prime (1004137) and next prime (1004141).

It is not a de Polignac number, because 1004139 - 2¹ = 1004137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1004137) 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, 3129 + ... + 3434.

It is an arithmetic number, because the mean of its divisors is an integer number (127998).

2^1004139 is an apocalyptic number.

1004139 is a deficient number, since it is larger than the sum of its proper divisors (531837).

1004139 is a wasteful number, since it uses less digits than its factorization.

1004139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6586 (or 6583 counting only the distinct ones).

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

The square root of 1004139 is about 1002.0673630051. The cubic root of 1004139 is about 100.1377767551.

The spelling of 1004139 in words is "one million, four thousand, one hundred thirty-nine".