1075909 has 2 divisors, whose sum is σ = 1075910. Its totient is φ = 1075908.

The previous prime is 1075897. The next prime is 1075957. The reversal of 1075909 is 9095701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 616225 + 459684 = 785^2 + 678^2 .

It is a cyclic number.

It is not a de Polignac number, because 1075909 - 2⁹ = 1075397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1075409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537954 + 537955.

It is an arithmetic number, because the mean of its divisors is an integer number (537955).

2^1075909 is an apocalyptic number.

It is an amenable number.

1075909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075909 is an equidigital number, since it uses as much as digits as its factorization.

1075909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 1075909 is about 1037.2603337639. The cubic root of 1075909 is about 102.4688463720.

The spelling of 1075909 in words is "one million, seventy-five thousand, nine hundred nine".