1228310603 has 4 divisors (see below), whose sum is σ = 1322796048. Its totient is φ = 1133825160.

The previous prime is 1228310581. The next prime is 1228310621. The reversal of 1228310603 is 3060138221.

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

It is not a de Polignac number, because 1228310603 - 2⁶ = 1228310539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1228310663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47242703 + ... + 47242728.

It is an arithmetic number, because the mean of its divisors is an integer number (330699012).

Almost surely, 2^1228310603 is an apocalyptic number.

1228310603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1228310603 is a deficient number, since it is larger than the sum of its proper divisors (94485445).

1228310603 is an equidigital number, since it uses as much as digits as its factorization.

1228310603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94485444.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1228310603 is about 35047.2624180549. The cubic root of 1228310603 is about 1070.9505057300.

Adding to 1228310603 its reverse (3060138221), we get a palindrome (4288448824).

The spelling of 1228310603 in words is "one billion, two hundred twenty-eight million, three hundred ten thousand, six hundred three".