1000103512 has 16 divisors (see below), whose sum is σ = 1939856400. Its totient is φ = 482808480.

The previous prime is 1000103501. The next prime is 1000103539. The reversal of 1000103512 is 2153010001.

It is a junction number, because it is equal to n+sod(n) for n = 1000103492 and 1000103501.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2155164 + ... + 2155627.

It is an arithmetic number, because the mean of its divisors is an integer number (121241025).

Almost surely, 2^1000103512 is an apocalyptic number.

It is an amenable number.

1000103512 is a deficient number, since it is larger than the sum of its proper divisors (939752888).

1000103512 is a wasteful number, since it uses less digits than its factorization.

1000103512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4310826 (or 4310822 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1000103512 is about 31624.4132277581. The cubic root of 1000103512 is about 1000.0345028095.

Adding to 1000103512 its reverse (2153010001), we get a palindrome (3153113513).

The spelling of 1000103512 in words is "one billion, one hundred three thousand, five hundred twelve".