1015009 has 2 divisors, whose sum is σ = 1015010. Its totient is φ = 1015008.

The previous prime is 1014989. The next prime is 1015039. The reversal of 1015009 is 9005101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 944784 + 70225 = 972^2 + 265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1015009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1014983 and 1015001.

It is not a weakly prime, because it can be changed into another prime (1015039) 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 as a sum of consecutive naturals, namely, 507504 + 507505.

It is an arithmetic number, because the mean of its divisors is an integer number (507505).

2^1015009 is an apocalyptic number.

It is an amenable number.

1015009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015009 is an equidigital number, since it uses as much as digits as its factorization.

1015009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 1015009 is about 1007.4765505956. The cubic root of 1015009 is about 100.4978176634.

The spelling of 1015009 in words is "one million, fifteen thousand, nine".