103405103 has 4 divisors (see below), whose sum is σ = 103930200. Its totient is φ = 102880008.

The previous prime is 103405073. The next prime is 103405109. The reversal of 103405103 is 301504301.

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 103405103 - 2¹² = 103401007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103405109) 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, 262253 + ... + 262646.

It is an arithmetic number, because the mean of its divisors is an integer number (25982550).

Almost surely, 2^103405103 is an apocalyptic number.

103405103 is a deficient number, since it is larger than the sum of its proper divisors (525097).

103405103 is an equidigital number, since it uses as much as digits as its factorization.

103405103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525096.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 103405103 is about 10168.8299720273. The cubic root of 103405103 is about 469.3685544767.

Adding to 103405103 its reverse (301504301), we get a palindrome (404909404).

The spelling of 103405103 in words is "one hundred three million, four hundred five thousand, one hundred three".