105320903 has 4 divisors (see below), whose sum is σ = 106804368. Its totient is φ = 103837440.

The previous prime is 105320869. The next prime is 105320921. The reversal of 105320903 is 309023501.

It is a happy number.

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 105320903 - 2¹² = 105316807 is a prime.

It is a super-2 number, since 2×105320903² = 22184985217470818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105320003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741626 + ... + 741767.

It is an arithmetic number, because the mean of its divisors is an integer number (26701092).

Almost surely, 2^105320903 is an apocalyptic number.

105320903 is a deficient number, since it is larger than the sum of its proper divisors (1483465).

105320903 is an equidigital number, since it uses as much as digits as its factorization.

105320903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483464.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 105320903 is about 10262.5972833391. The cubic root of 105320903 is about 472.2495194514.

The spelling of 105320903 in words is "one hundred five million, three hundred twenty thousand, nine hundred three".