1164089 has 8 divisors (see below), whose sum is σ = 1217160. Its totient is φ = 1111936.

The previous prime is 1164077. The next prime is 1164091. The reversal of 1164089 is 9804611.

It can be written as a sum of positive squares in 4 ways, for example, as 511225 + 652864 = 715^2 + 808^2 .

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 1164089 - 2¹² = 1159993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1164029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3827 + ... + 4119.

It is an arithmetic number, because the mean of its divisors is an integer number (152145).

2^1164089 is an apocalyptic number.

It is an amenable number.

1164089 is a deficient number, since it is larger than the sum of its proper divisors (53071).

1164089 is a wasteful number, since it uses less digits than its factorization.

1164089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1164089 is about 1078.9295621124. The cubic root of 1164089 is about 105.1950719836.

The spelling of 1164089 in words is "one million, one hundred sixty-four thousand, eighty-nine".