1203103103203 has 8 divisors (see below), whose sum is σ = 1227709577808. Its totient is φ = 1178567236704.

The previous prime is 1203103103197. The next prime is 1203103103227. The reversal of 1203103103203 is 3023013013021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1203103103203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203103103603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17617600 + ... + 17685757.

It is an arithmetic number, because the mean of its divisors is an integer number (153463697226).

Almost surely, 2^{1203103103203} is an apocalyptic number.

1203103103203 is a deficient number, since it is larger than the sum of its proper divisors (24606474605).

1203103103203 is an equidigital number, since it uses as much as digits as its factorization.

1203103103203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35304053.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1203103103203 its reverse (3023013013021), we get a palindrome (4226116116224).

The spelling of 1203103103203 in words is "one trillion, two hundred three billion, one hundred three million, one hundred three thousand, two hundred three".