1298203 has 4 divisors (see below), whose sum is σ = 1313928. Its totient is φ = 1282480.

The previous prime is 1298197. The next prime is 1298221. The reversal of 1298203 is 3028921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1298203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1290203) 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 3 ways as a sum of consecutive naturals, for example, 7738 + ... + 7903.

It is an arithmetic number, because the mean of its divisors is an integer number (328482).

2^1298203 is an apocalyptic number.

1298203 is a deficient number, since it is larger than the sum of its proper divisors (15725).

1298203 is an equidigital number, since it uses as much as digits as its factorization.

1298203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15724.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1298203 is about 1139.3871159531. The cubic root of 1298203 is about 109.0889770912.

The spelling of 1298203 in words is "one million, two hundred ninety-eight thousand, two hundred three".