1003103012 has 12 divisors (see below), whose sum is σ = 1763165040. Its totient is φ = 499341576.

The previous prime is 1003103009. The next prime is 1003103021. The reversal of 1003103012 is 2103013001.

It is a junction number, because it is equal to n+sod(n) for n = 1003102984 and 1003103002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551462 + ... + 553277.

It is an arithmetic number, because the mean of its divisors is an integer number (146930420).

Almost surely, 2^1003103012 is an apocalyptic number.

It is an amenable number.

1003103012 is a deficient number, since it is larger than the sum of its proper divisors (760062028).

1003103012 is a wasteful number, since it uses less digits than its factorization.

1003103012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104970 (or 1104968 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1003103012 is about 31671.8015275418. The cubic root of 1003103012 is about 1001.0332693201.

Adding to 1003103012 its reverse (2103013001), we get a palindrome (3106116013).

The spelling of 1003103012 in words is "one billion, three million, one hundred three thousand, twelve".