1047009 has 8 divisors (see below), whose sum is σ = 1417120. Its totient is φ = 687456.

The previous prime is 1046999. The next prime is 1047031. The reversal of 1047009 is 9007401.

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

It is not a de Polignac number, because 1047009 - 2⁴ = 1046993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1047089) 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, 2404 + ... + 2805.

It is an arithmetic number, because the mean of its divisors is an integer number (177140).

2^1047009 is an apocalyptic number.

It is an amenable number.

1047009 is a deficient number, since it is larger than the sum of its proper divisors (370111).

1047009 is an equidigital number, since it uses as much as digits as its factorization.

1047009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5279.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 1047009 is about 1023.2345772109. The cubic root of 1047009 is about 101.5430346443.

The spelling of 1047009 in words is "one million, forty-seven thousand, nine".