1303201205 has 4 divisors (see below), whose sum is σ = 1563841452. Its totient is φ = 1042560960.

The previous prime is 1303201187. The next prime is 1303201223. The reversal of 1303201205 is 5021023031.

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

It is an interprime number because it is at equal distance from previous prime (1303201187) and next prime (1303201223).

It can be written as a sum of positive squares in 2 ways, for example, as 135885649 + 1167315556 = 11657^2 + 34166^2 .

It is not a de Polignac number, because 1303201205 - 2²² = 1299006901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130320116 + ... + 130320125.

It is an arithmetic number, because the mean of its divisors is an integer number (390960363).

Almost surely, 2^1303201205 is an apocalyptic number.

It is an amenable number.

1303201205 is a deficient number, since it is larger than the sum of its proper divisors (260640247).

1303201205 is an equidigital number, since it uses as much as digits as its factorization.

1303201205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260640246.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1303201205 is about 36099.8781853900. The cubic root of 1303201205 is about 1092.2879878064.

Adding to 1303201205 its reverse (5021023031), we get a palindrome (6324224236).

The spelling of 1303201205 in words is "one billion, three hundred three million, two hundred one thousand, two hundred five".