105030003 has 16 divisors (see below), whose sum is σ = 151109280. Its totient is φ = 64506624.

The previous prime is 105029999. The next prime is 105030041. The reversal of 105030003 is 300030501.

It is a happy number.

It is not a de Polignac number, because 105030003 - 2² = 105029999 is a prime.

It is a super-2 number, since 2×105030003² = 22062603060360018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105030053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19825 + ... + 24557.

It is an arithmetic number, because the mean of its divisors is an integer number (9444330).

Almost surely, 2^105030003 is an apocalyptic number.

105030003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

105030003 is a deficient number, since it is larger than the sum of its proper divisors (46079277).

105030003 is a wasteful number, since it uses less digits than its factorization.

105030003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5318.

The product of its (nonzero) digits is 45, while the sum is 12.

The square root of 105030003 is about 10248.4146578873. The cubic root of 105030003 is about 471.8143286643.

Adding to 105030003 its reverse (300030501), we get a palindrome (405060504).

The spelling of 105030003 in words is "one hundred five million, thirty thousand, three".