105028305 has 8 divisors (see below), whose sum is σ = 168045312. Its totient is φ = 56015088.

The previous prime is 105028289. The next prime is 105028321. The reversal of 105028305 is 503820501.

It is an interprime number because it is at equal distance from previous prime (105028289) and next prime (105028321).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105028305 - 2⁴ = 105028289 is a prime.

It is a super-2 number, since 2×105028305² = 22061889702346050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3500929 + ... + 3500958.

It is an arithmetic number, because the mean of its divisors is an integer number (21005664).

Almost surely, 2^105028305 is an apocalyptic number.

105028305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105028305 is a deficient number, since it is larger than the sum of its proper divisors (63017007).

105028305 is an equidigital number, since it uses as much as digits as its factorization.

105028305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7001895.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 105028305 is about 10248.3318154712. The cubic root of 105028305 is about 471.8117860732.

Adding to 105028305 its reverse (503820501), we get a palindrome (608848806).

The spelling of 105028305 in words is "one hundred five million, twenty-eight thousand, three hundred five".