1000103987 has 2 divisors, whose sum is σ = 1000103988. Its totient is φ = 1000103986.

The previous prime is 1000103971. The next prime is 1000104041. The reversal of 1000103987 is 7893010001.

1000103987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000103987 - 2⁴ = 1000103971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000103957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500051993 + 500051994.

It is an arithmetic number, because the mean of its divisors is an integer number (500051994).

Almost surely, 2^1000103987 is an apocalyptic number.

1000103987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000103987 is an equidigital number, since it uses as much as digits as its factorization.

1000103987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1000103987 is about 31624.4207377779. The cubic root of 1000103987 is about 1000.0346611319.

Adding to 1000103987 its reverse (7893010001), we get a palindrome (8893113988).

The spelling of 1000103987 in words is "one billion, one hundred three thousand, nine hundred eighty-seven".