1069409 has 8 divisors (see below), whose sum is σ = 1175040. Its totient is φ = 965200.

The previous prime is 1069379. The next prime is 1069421. The reversal of 1069409 is 9049601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1069409 - 2¹² = 1065313 is a prime.

It is a super-2 number, since 2×1069409² = 2287271218562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1069429) 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 in 7 ways as a sum of consecutive naturals, for example, 1847 + ... + 2355.

It is an arithmetic number, because the mean of its divisors is an integer number (146880).

2^1069409 is an apocalyptic number.

It is an amenable number.

1069409 is a deficient number, since it is larger than the sum of its proper divisors (105631).

1069409 is a wasteful number, since it uses less digits than its factorization.

1069409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1069409 is about 1034.1223331889. The cubic root of 1069409 is about 102.2620775503.

The spelling of 1069409 in words is "one million, sixty-nine thousand, four hundred nine".