1071009 has 8 divisors (see below), whose sum is σ = 1586720. Its totient is φ = 713988.

The previous prime is 1070987. The next prime is 1071023. The reversal of 1071009 is 9001701.

It is not a de Polignac number, because 1071009 - 2⁸ = 1070753 is a prime.

It is a super-2 number, since 2×1071009² = 2294120556162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1070982 and 1071000.

It is not an unprimeable number, because it can be changed into a prime (1070009) 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, 19807 + ... + 19860.

It is an arithmetic number, because the mean of its divisors is an integer number (198340).

2^1071009 is an apocalyptic number.

It is an amenable number.

1071009 is a deficient number, since it is larger than the sum of its proper divisors (515711).

1071009 is an equidigital number, since it uses as much as digits as its factorization.

1071009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39676 (or 39670 counting only the distinct ones).

The product of its (nonzero) digits is 63, while the sum is 18.

The square root of 1071009 is about 1034.8956469133. The cubic root of 1071009 is about 102.3130520580.

The spelling of 1071009 in words is "one million, seventy-one thousand, nine".