105009271 has 8 divisors (see below), whose sum is σ = 107262144. Its totient is φ = 102766560.

The previous prime is 105009263. The next prime is 105009277. The reversal of 105009271 is 172900501.

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

It is a cyclic number.

It is not a de Polignac number, because 105009271 - 2³ = 105009263 is a prime.

It is a super-2 number, since 2×105009271² = 22053893991902882, 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 (105009277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20545 + ... + 25141.

It is an arithmetic number, because the mean of its divisors is an integer number (13407768).

Almost surely, 2^105009271 is an apocalyptic number.

105009271 is a deficient number, since it is larger than the sum of its proper divisors (2252873).

105009271 is an equidigital number, since it uses as much as digits as its factorization.

105009271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 105009271 is about 10247.4031344531. The cubic root of 105009271 is about 471.7832826201.

Adding to 105009271 its reverse (172900501), we get a palindrome (277909772).

The spelling of 105009271 in words is "one hundred five million, nine thousand, two hundred seventy-one".