1003103055 has 16 divisors (see below), whose sum is σ = 1783294560. Its totient is φ = 534988224.

The previous prime is 1003103051. The next prime is 1003103077. The reversal of 1003103055 is 5503013001.

It is a happy number.

It is not a de Polignac number, because 1003103055 - 2² = 1003103051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003103051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3715062 + ... + 3715331.

It is an arithmetic number, because the mean of its divisors is an integer number (111455910).

Almost surely, 2^1003103055 is an apocalyptic number.

1003103055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1003103055 is a deficient number, since it is larger than the sum of its proper divisors (780191505).

1003103055 is an equidigital number, since it uses as much as digits as its factorization.

1003103055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7430407 (or 7430401 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 1003103055 is about 31671.8022063791. The cubic root of 1003103055 is about 1001.0332836239.

Adding to 1003103055 its reverse (5503013001), we get a palindrome (6506116056).

The spelling of 1003103055 in words is "one billion, three million, one hundred three thousand, fifty-five".