1144147 has 2 divisors, whose sum is σ = 1144148. Its totient is φ = 1144146.

The previous prime is 1144141. The next prime is 1144153. The reversal of 1144147 is 7414411.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1144141) and next prime (1144153).

It is an emirp because it is prime and its reverse (7414411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1144147 - 2³ = 1144139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1144141) 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 as a sum of consecutive naturals, namely, 572073 + 572074.

It is an arithmetic number, because the mean of its divisors is an integer number (572074).

2^1144147 is an apocalyptic number.

1144147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144147 is an equidigital number, since it uses as much as digits as its factorization.

1144147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448, while the sum is 22.

The square root of 1144147 is about 1069.6480729661. The cubic root of 1144147 is about 104.5909101068.

Adding to 1144147 its reverse (7414411), we get a palindrome (8558558).

The spelling of 1144147 in words is "one million, one hundred forty-four thousand, one hundred forty-seven".