1164189 has 8 divisors (see below), whose sum is σ = 1671712. Its totient is φ = 716400.

The previous prime is 1164181. The next prime is 1164193. The reversal of 1164189 is 9814611.

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

It is not a de Polignac number, because 1164189 - 2³ = 1164181 is a prime.

It is a Duffinian number.

1164189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164181) 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, 14887 + ... + 14964.

It is an arithmetic number, because the mean of its divisors is an integer number (208964).

2^1164189 is an apocalyptic number.

It is an amenable number.

1164189 is a deficient number, since it is larger than the sum of its proper divisors (507523).

1164189 is a wasteful number, since it uses less digits than its factorization.

1164189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29867.

The product of its digits is 1728, while the sum is 30.

The square root of 1164189 is about 1078.9759033454. The cubic root of 1164189 is about 105.1980841261.

The spelling of 1164189 in words is "one million, one hundred sixty-four thousand, one hundred eighty-nine".