1203030103 has 4 divisors (see below), whose sum is σ = 1312396488. Its totient is φ = 1093663720.

The previous prime is 1203030097. The next prime is 1203030121. The reversal of 1203030103 is 3010303021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1203030103 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 (1203030133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54683176 + ... + 54683197.

It is an arithmetic number, because the mean of its divisors is an integer number (328099122).

Almost surely, 2^1203030103 is an apocalyptic number.

1203030103 is a deficient number, since it is larger than the sum of its proper divisors (109366385).

1203030103 is a wasteful number, since it uses less digits than its factorization.

1203030103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109366384.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1203030103 is about 34684.7243466054. The cubic root of 1203030103 is about 1063.5522520950.

Adding to 1203030103 its reverse (3010303021), we get a palindrome (4213333124).

The spelling of 1203030103 in words is "one billion, two hundred three million, thirty thousand, one hundred three".