1320203103 has 8 divisors (see below), whose sum is σ = 1773120048. Its totient is φ = 873710784.

The previous prime is 1320203083. The next prime is 1320203111. The reversal of 1320203103 is 3013020231.

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

It is not a de Polignac number, because 1320203103 - 2¹⁴ = 1320186719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320203803) 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, 1605676 + ... + 1606497.

It is an arithmetic number, because the mean of its divisors is an integer number (221640006).

Almost surely, 2^1320203103 is an apocalyptic number.

1320203103 is a deficient number, since it is larger than the sum of its proper divisors (452916945).

1320203103 is a wasteful number, since it uses less digits than its factorization.

1320203103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212313.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1320203103 is about 36334.5992547049. The cubic root of 1320203103 is about 1097.0175692509.

Adding to 1320203103 its reverse (3013020231), we get a palindrome (4333223334).

The spelling of 1320203103 in words is "one billion, three hundred twenty million, two hundred three thousand, one hundred three".