1144803 has 16 divisors (see below), whose sum is σ = 1685376. Its totient is φ = 685440.

The previous prime is 1144783. The next prime is 1144823. The reversal of 1144803 is 3084411.

It is an interprime number because it is at equal distance from previous prime (1144783) and next prime (1144823).

It is not a de Polignac number, because 1144803 - 2⁶ = 1144739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144803.

It is not an unprimeable number, because it can be changed into a prime (1144823) 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 15 ways as a sum of consecutive naturals, for example, 3576 + ... + 3882.

It is an arithmetic number, because the mean of its divisors is an integer number (105336).

2^1144803 is an apocalyptic number.

1144803 is a deficient number, since it is larger than the sum of its proper divisors (540573).

1144803 is a wasteful number, since it uses less digits than its factorization.

1144803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1144803 is about 1069.9546719371. The cubic root of 1144803 is about 104.6108954549.

The spelling of 1144803 in words is "one million, one hundred forty-four thousand, eight hundred three".