1144047 has 8 divisors (see below), whose sum is σ = 1605760. Its totient is φ = 722520.

The previous prime is 1144037. The next prime is 1144061. The reversal of 1144047 is 7404411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1144047 - 2¹¹ = 1141999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9979 + ... + 10092.

It is an arithmetic number, because the mean of its divisors is an integer number (200720).

2^1144047 is an apocalyptic number.

1144047 is a deficient number, since it is larger than the sum of its proper divisors (461713).

1144047 is a wasteful number, since it uses less digits than its factorization.

1144047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20093.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 1144047 is about 1069.6013275983. The cubic root of 1144047 is about 104.5878628889.

Adding to 1144047 its reverse (7404411), we get a palindrome (8548458).

It can be divided in two parts, 114404 and 7, that added together give a palindrome (114411).

The spelling of 1144047 in words is "one million, one hundred forty-four thousand, forty-seven".