1144447 has 4 divisors (see below), whose sum is σ = 1175416. Its totient is φ = 1113480.

The previous prime is 1144441. The next prime is 1144453. The reversal of 1144447 is 7444411.

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

It is an interprime number because it is at equal distance from previous prime (1144441) and next prime (1144453).

It is a cyclic number.

It is not a de Polignac number, because 1144447 - 2³ = 1144439 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144441) 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, 15429 + ... + 15502.

It is an arithmetic number, because the mean of its divisors is an integer number (293854).

2^1144447 is an apocalyptic number.

1144447 is a deficient number, since it is larger than the sum of its proper divisors (30969).

1144447 is an equidigital number, since it uses as much as digits as its factorization.

1144447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30968.

The product of its digits is 1792, while the sum is 25.

The square root of 1144447 is about 1069.7882968139. The cubic root of 1144447 is about 104.6000506954.

Adding to 1144447 its reverse (7444411), we get a palindrome (8588858).

It can be divided in two parts, 114444 and 7, that multiplied together give a palindrome (801108).

The spelling of 1144447 in words is "one million, one hundred forty-four thousand, four hundred forty-seven".