105056103 has 4 divisors (see below), whose sum is σ = 140074808. Its totient is φ = 70037400.

The previous prime is 105056101. The next prime is 105056137. The reversal of 105056103 is 301650501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301650501 = 3 ⋅100550167.

It is not a de Polignac number, because 105056103 - 2¹ = 105056101 is a prime.

It is a super-2 number, since 2×105056103² = 22073569555093218, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105056103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105056101) 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, 17509348 + ... + 17509353.

It is an arithmetic number, because the mean of its divisors is an integer number (35018702).

Almost surely, 2^105056103 is an apocalyptic number.

105056103 is a deficient number, since it is larger than the sum of its proper divisors (35018705).

105056103 is an equidigital number, since it uses as much as digits as its factorization.

105056103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35018704.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 105056103 is about 10249.6879464694. The cubic root of 105056103 is about 471.8534074473.

The spelling of 105056103 in words is "one hundred five million, fifty-six thousand, one hundred three".