105055103 has 4 divisors (see below), whose sum is σ = 106494288. Its totient is φ = 103615920.

The previous prime is 105055051. The next prime is 105055109. The reversal of 105055103 is 301550501.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105055103 is a prime.

It is a super-2 number, since 2×105055103² = 22073149332681218, 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 (105055109) 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, 719483 + ... + 719628.

It is an arithmetic number, because the mean of its divisors is an integer number (26623572).

Almost surely, 2^105055103 is an apocalyptic number.

105055103 is a deficient number, since it is larger than the sum of its proper divisors (1439185).

105055103 is an equidigital number, since it uses as much as digits as its factorization.

105055103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439184.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 105055103 is about 10249.6391643804. The cubic root of 105055103 is about 471.8519102951.

The spelling of 105055103 in words is "one hundred five million, fifty-five thousand, one hundred three".