1164109 has 4 divisors (see below), whose sum is σ = 1232604. Its totient is φ = 1095616.

The previous prime is 1164101. The next prime is 1164173. The reversal of 1164109 is 9014611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 864900 + 299209 = 930^2 + 547^2 .

It is not a de Polignac number, because 1164109 - 2³ = 1164101 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1164109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164101) 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, 34222 + ... + 34255.

It is an arithmetic number, because the mean of its divisors is an integer number (308151).

2^1164109 is an apocalyptic number.

It is an amenable number.

1164109 is a deficient number, since it is larger than the sum of its proper divisors (68495).

1164109 is an equidigital number, since it uses as much as digits as its factorization.

1164109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68494.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1164109 is about 1078.9388305182. The cubic root of 1164109 is about 105.1956744259.

It can be divided in two parts, 116 and 4109, that added together give a square (4225 = 65²).

The spelling of 1164109 in words is "one million, one hundred sixty-four thousand, one hundred nine".