1144267 has 4 divisors (see below), whose sum is σ = 1148056. Its totient is φ = 1140480.

The previous prime is 1144261. The next prime is 1144271. The reversal of 1144267 is 7624411.

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 1144267 - 2⁷ = 1144139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144261) 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, 1398 + ... + 2059.

It is an arithmetic number, because the mean of its divisors is an integer number (287014).

2^1144267 is an apocalyptic number.

1144267 is a deficient number, since it is larger than the sum of its proper divisors (3789).

1144267 is an equidigital number, since it uses as much as digits as its factorization.

1144267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788.

The product of its digits is 1344, while the sum is 25.

The square root of 1144267 is about 1069.7041647110. The cubic root of 1144267 is about 104.5945665340.

Adding to 1144267 its reverse (7624411), we get a palindrome (8768678).

The spelling of 1144267 in words is "one million, one hundred forty-four thousand, two hundred sixty-seven".