1159567 has 4 divisors (see below), whose sum is σ = 1164240. Its totient is φ = 1154896.

The previous prime is 1159541. The next prime is 1159577. The reversal of 1159567 is 7659511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1159567 - 2¹⁹ = 635279 is a prime.

It is a Duffinian number.

1159567 is a lucky number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159517) 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 3 ways as a sum of consecutive naturals, for example, 1942 + ... + 2467.

It is an arithmetic number, because the mean of its divisors is an integer number (291060).

2^1159567 is an apocalyptic number.

1159567 is a deficient number, since it is larger than the sum of its proper divisors (4673).

1159567 is an equidigital number, since it uses as much as digits as its factorization.

1159567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672.

The product of its digits is 9450, while the sum is 34.

The square root of 1159567 is about 1076.8319274613. The cubic root of 1159567 is about 105.0586822392.

The spelling of 1159567 in words is "one million, one hundred fifty-nine thousand, five hundred sixty-seven".