1298003 has 4 divisors (see below), whose sum is σ = 1483440. Its totient is φ = 1112568.

The previous prime is 1297993. The next prime is 1298027. The reversal of 1298003 is 3008921.

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

It is a cyclic number.

It is not a de Polignac number, because 1298003 - 2²⁰ = 249427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1298003.

It is not an unprimeable number, because it can be changed into a prime (1298053) 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, 92708 + ... + 92721.

It is an arithmetic number, because the mean of its divisors is an integer number (370860).

2^1298003 is an apocalyptic number.

1298003 is a deficient number, since it is larger than the sum of its proper divisors (185437).

1298003 is an equidigital number, since it uses as much as digits as its factorization.

1298003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185436.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1298003 is about 1139.2993460895. The cubic root of 1298003 is about 109.0833747532.

The spelling of 1298003 in words is "one million, two hundred ninety-eight thousand, three".