1144811 has 4 divisors (see below), whose sum is σ = 1149624. Its totient is φ = 1140000.

The previous prime is 1144783. The next prime is 1144823. The reversal of 1144811 is 1184411.

It is a happy number.

1144811 is nontrivially palindromic in base 3.

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 1144811 - 2¹⁴ = 1128427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144211) 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, 2030 + ... + 2531.

It is an arithmetic number, because the mean of its divisors is an integer number (287406).

2^1144811 is an apocalyptic number.

1144811 is the 479-th centered decagonal number.

1144811 is a deficient number, since it is larger than the sum of its proper divisors (4813).

1144811 is an equidigital number, since it uses as much as digits as its factorization.

1144811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812.

The product of its digits is 128, while the sum is 20.

The square root of 1144811 is about 1069.9584104067. The cubic root of 1144811 is about 104.6111391316.

The spelling of 1144811 in words is "one million, one hundred forty-four thousand, eight hundred eleven".