1203314503 has 4 divisors (see below), whose sum is σ = 1206106848. Its totient is φ = 1200522160.

The previous prime is 1203314477. The next prime is 1203314561. The reversal of 1203314503 is 3054133021.

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

It is a cyclic number.

It is not a de Polignac number, because 1203314503 - 2¹³ = 1203306311 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 (1203314803) 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, 1395526 + ... + 1396387.

It is an arithmetic number, because the mean of its divisors is an integer number (301526712).

Almost surely, 2^1203314503 is an apocalyptic number.

1203314503 is a deficient number, since it is larger than the sum of its proper divisors (2792345).

1203314503 is an equidigital number, since it uses as much as digits as its factorization.

1203314503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792344.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1203314503 is about 34688.8238918531. The cubic root of 1203314503 is about 1063.6360544947.

Adding to 1203314503 its reverse (3054133021), we get a palindrome (4257447524).

The spelling of 1203314503 in words is "one billion, two hundred three million, three hundred fourteen thousand, five hundred three".