1198303 has 2 divisors, whose sum is σ = 1198304. Its totient is φ = 1198302.

The previous prime is 1198297. The next prime is 1198321. The reversal of 1198303 is 3038911.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1198303 is a prime.

It is a plaindrome in base 9 and base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1198343) 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, 599151 + 599152.

It is an arithmetic number, because the mean of its divisors is an integer number (599152).

2^1198303 is an apocalyptic number.

1198303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1198303 is an equidigital number, since it uses as much as digits as its factorization.

1198303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1198303 is about 1094.6702699900. The cubic root of 1198303 is about 106.2157407424.

The spelling of 1198303 in words is "one million, one hundred ninety-eight thousand, three hundred three".