103000005 has 40 divisors (see below), whose sum is σ = 185530752. Its totient is φ = 54667872.

The previous prime is 102999979. The next prime is 103000039. The reversal of 103000005 is 500000301.

It is not a de Polignac number, because 103000005 - 2⁹ = 102999493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 106032 + ... + 106998.

Almost surely, 2^103000005 is an apocalyptic number.

103000005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103000005 is a deficient number, since it is larger than the sum of its proper divisors (82530747).

103000005 is an equidigital number, since it uses as much as digits as its factorization.

103000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 9.

The square root of 103000005 is about 10148.8918114245. The cubic root of 103000005 is about 468.7548223504.

Adding to 103000005 its reverse (500000301), we get a palindrome (603000306).

The spelling of 103000005 in words is "one hundred three million, five", and thus it is an aban number.