1288003 has 2 divisors, whose sum is σ = 1288004. Its totient is φ = 1288002.

The previous prime is 1287997. The next prime is 1288009. The reversal of 1288003 is 3008821.

It is a balanced prime because it is at equal distance from previous prime (1287997) and next prime (1288009).

It is a cyclic number.

It is not a de Polignac number, because 1288003 - 2⁹ = 1287491 is a prime.

1288003 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1288009) 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, 644001 + 644002.

It is an arithmetic number, because the mean of its divisors is an integer number (644002).

2^1288003 is an apocalyptic number.

1288003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1288003 is an equidigital number, since it uses as much as digits as its factorization.

1288003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1288003 is about 1134.9021984295. The cubic root of 1288003 is about 108.8025209822.

The spelling of 1288003 in words is "one million, two hundred eighty-eight thousand, three".