1159609 has 8 divisors (see below), whose sum is σ = 1272960. Its totient is φ = 1047600.

The previous prime is 1159601. The next prime is 1159633. The reversal of 1159609 is 9069511.

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 1159609 - 2³ = 1159601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1159601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2787 + ... + 3175.

It is an arithmetic number, because the mean of its divisors is an integer number (159120).

2^1159609 is an apocalyptic number.

It is an amenable number.

1159609 is a deficient number, since it is larger than the sum of its proper divisors (113351).

1159609 is a wasteful number, since it uses less digits than its factorization.

1159609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 1159609 is about 1076.8514289353. The cubic root of 1159609 is about 105.0599506470.

The spelling of 1159609 in words is "one million, one hundred fifty-nine thousand, six hundred nine".