1144859 has 4 divisors (see below), whose sum is σ = 1160616. Its totient is φ = 1129104.

The previous prime is 1144837. The next prime is 1144867. The reversal of 1144859 is 9584411.

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

It is a cyclic number.

It is not a de Polignac number, because 1144859 - 2⁸ = 1144603 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144879) 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, 7769 + ... + 7914.

It is an arithmetic number, because the mean of its divisors is an integer number (290154).

2^1144859 is an apocalyptic number.

1144859 is a deficient number, since it is larger than the sum of its proper divisors (15757).

1144859 is an equidigital number, since it uses as much as digits as its factorization.

1144859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15756.

The product of its digits is 5760, while the sum is 32.

The square root of 1144859 is about 1069.9808409500. The cubic root of 1144859 is about 104.6126011675.

The spelling of 1144859 in words is "one million, one hundred forty-four thousand, eight hundred fifty-nine".