130003105 has 4 divisors (see below), whose sum is σ = 156003732. Its totient is φ = 104002480.

The previous prime is 130003103. The next prime is 130003121. The reversal of 130003105 is 501300031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96177249 + 33825856 = 9807^2 + 5816^2 .

It is not a de Polignac number, because 130003105 - 2¹ = 130003103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130003103) 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, 13000306 + ... + 13000315.

It is an arithmetic number, because the mean of its divisors is an integer number (39000933).

Almost surely, 2^130003105 is an apocalyptic number.

It is an amenable number.

130003105 is a deficient number, since it is larger than the sum of its proper divisors (26000627).

130003105 is an equidigital number, since it uses as much as digits as its factorization.

130003105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26000626.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 130003105 is about 11401.8904134358. The cubic root of 130003105 is about 506.5837350318.

Adding to 130003105 its reverse (501300031), we get a palindrome (631303136).

The spelling of 130003105 in words is "one hundred thirty million, three thousand, one hundred five".