1203306103 has 2 divisors, whose sum is σ = 1203306104. Its totient is φ = 1203306102.

The previous prime is 1203306067. The next prime is 1203306149. The reversal of 1203306103 is 3016033021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1203306103 - 2⁹ = 1203305591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203307103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601653051 + 601653052.

It is an arithmetic number, because the mean of its divisors is an integer number (601653052).

Almost surely, 2^1203306103 is an apocalyptic number.

1203306103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203306103 is an equidigital number, since it uses as much as digits as its factorization.

1203306103 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1203306103 is about 34688.7028151818. The cubic root of 1203306103 is about 1063.6335795076.

Adding to 1203306103 its reverse (3016033021), we get a palindrome (4219339124).

It can be divided in two parts, 1203306 and 103, that added together give a square (1203409 = 1097²).

The spelling of 1203306103 in words is "one billion, two hundred three million, three hundred six thousand, one hundred three".