1201020303 has 8 divisors (see below), whose sum is σ = 1830126208. Its totient is φ = 686297304.

The previous prime is 1201020287. The next prime is 1201020347. The reversal of 1201020303 is 3030201021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1201020303 - 2⁴ = 1201020287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201020203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28595701 + ... + 28595742.

It is an arithmetic number, because the mean of its divisors is an integer number (228765776).

Almost surely, 2^1201020303 is an apocalyptic number.

1201020303 is a deficient number, since it is larger than the sum of its proper divisors (629105905).

1201020303 is an equidigital number, since it uses as much as digits as its factorization.

1201020303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57191453.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1201020303 is about 34655.7398276245. The cubic root of 1201020303 is about 1062.9596598994.

Adding to 1201020303 its reverse (3030201021), we get a palindrome (4231221324).

The spelling of 1201020303 in words is "one billion, two hundred one million, twenty thousand, three hundred three".