1000100103 has 4 divisors (see below), whose sum is σ = 1333466808. Its totient is φ = 666733400.

The previous prime is 1000100077. The next prime is 1000100161. The reversal of 1000100103 is 3010010001.

1000100103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1000100103 - 2⁹ = 1000099591 is a prime.

It is a super-2 number, since 2×1000100103² = 2000400432041221218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000100091 and 1000100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000100173) 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, 166683348 + ... + 166683353.

It is an arithmetic number, because the mean of its divisors is an integer number (333366702).

Almost surely, 2^1000100103 is an apocalyptic number.

1000100103 is a deficient number, since it is larger than the sum of its proper divisors (333366705).

1000100103 is an equidigital number, since it uses as much as digits as its factorization.

1000100103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333366704.

The product of its (nonzero) digits is 3, while the sum is 6.

The square root of 1000100103 is about 31624.3593294789. The cubic root of 1000100103 is about 1000.0333665533.

Adding to 1000100103 its reverse (3010010001), we get a palindrome (4010110104).

The spelling of 1000100103 in words is "one billion, one hundred thousand, one hundred three".