1159089 has 4 divisors (see below), whose sum is σ = 1545456. Its totient is φ = 772724.

The previous prime is 1159087. The next prime is 1159091. The reversal of 1159089 is 9809511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1159087) and next prime (1159091).

It is a cyclic number.

It is not a de Polignac number, because 1159089 - 2¹ = 1159087 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1159087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193179 + ... + 193184.

It is an arithmetic number, because the mean of its divisors is an integer number (386364).

2^1159089 is an apocalyptic number.

It is an amenable number.

1159089 is a deficient number, since it is larger than the sum of its proper divisors (386367).

1159089 is an equidigital number, since it uses as much as digits as its factorization.

1159089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386366.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 1159089 is about 1076.6099572269. The cubic root of 1159089 is about 105.0442443924.

The spelling of 1159089 in words is "one million, one hundred fifty-nine thousand, eighty-nine".