1144109 has 4 divisors (see below), whose sum is σ = 1152480. Its totient is φ = 1135740.

The previous prime is 1144103. The next prime is 1144139. The reversal of 1144109 is 9014411.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144103) 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, 3977 + ... + 4254.

It is an arithmetic number, because the mean of its divisors is an integer number (288120).

2^1144109 is an apocalyptic number.

It is an amenable number.

1144109 is a deficient number, since it is larger than the sum of its proper divisors (8371).

1144109 is an equidigital number, since it uses as much as digits as its factorization.

1144109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8370.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1144109 is about 1069.6303099670. The cubic root of 1144109 is about 104.5897521849.

The spelling of 1144109 in words is "one million, one hundred forty-four thousand, one hundred nine".