1069609 has 2 divisors, whose sum is σ = 1069610. Its totient is φ = 1069608.

The previous prime is 1069603. The next prime is 1069631. The reversal of 1069609 is 9069601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 931225 + 138384 = 965^2 + 372^2 .

It is a cyclic number.

It is not a de Polignac number, because 1069609 - 2⁵ = 1069577 is a prime.

It is a super-2 number, since 2×1069609² = 2288126825762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1069603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534804 + 534805.

It is an arithmetic number, because the mean of its divisors is an integer number (534805).

2^1069609 is an apocalyptic number.

It is an amenable number.

1069609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069609 is an equidigital number, since it uses as much as digits as its factorization.

1069609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 1069609 is about 1034.2190290263. The cubic root of 1069609 is about 102.2684521430.

The spelling of 1069609 in words is "one million, sixty-nine thousand, six hundred nine".