1201031203 has 2 divisors, whose sum is σ = 1201031204. Its totient is φ = 1201031202.

The previous prime is 1201031197. The next prime is 1201031231. The reversal of 1201031203 is 3021301021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201031203 - 2¹³ = 1201023011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201031303) 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 as a sum of consecutive naturals, namely, 600515601 + 600515602.

It is an arithmetic number, because the mean of its divisors is an integer number (600515602).

Almost surely, 2^1201031203 is an apocalyptic number.

1201031203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201031203 is an equidigital number, since it uses as much as digits as its factorization.

1201031203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1201031203 is about 34655.8970883744. The cubic root of 1201031203 is about 1062.9628755612.

Adding to 1201031203 its reverse (3021301021), we get a palindrome (4222332224).

The spelling of 1201031203 in words is "one billion, two hundred one million, thirty-one thousand, two hundred three".