1074509 has 2 divisors, whose sum is σ = 1074510. Its totient is φ = 1074508.

The previous prime is 1074481. The next prime is 1074511. The reversal of 1074509 is 9054701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 605284 + 469225 = 778^2 + 685^2 .

It is a cyclic number.

It is not a de Polignac number, because 1074509 - 2⁸ = 1074253 is a prime.

Together with 1074511, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1074559) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537254 + 537255.

It is an arithmetic number, because the mean of its divisors is an integer number (537255).

2^1074509 is an apocalyptic number.

It is an amenable number.

1074509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1074509 is an equidigital number, since it uses as much as digits as its factorization.

1074509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1074509 is about 1036.5852593974. The cubic root of 1074509 is about 102.4243820623.

The spelling of 1074509 in words is "one million, seventy-four thousand, five hundred nine".