105271270 has 16 divisors (see below), whose sum is σ = 204064560. Its totient is φ = 38869344.

The previous prime is 105271249. The next prime is 105271279. The reversal of 105271270 is 72172501.

It is a happy number.

It is a super-2 number, since 2×105271270² = 22164080574825800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105271279) 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, 404760 + ... + 405019.

It is an arithmetic number, because the mean of its divisors is an integer number (12754035).

Almost surely, 2^105271270 is an apocalyptic number.

105271270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105271270 is a deficient number, since it is larger than the sum of its proper divisors (98793290).

105271270 is a wasteful number, since it uses less digits than its factorization.

105271270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809799.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 105271270 is about 10260.1788483437. The cubic root of 105271270 is about 472.1753244827.

The spelling of 105271270 in words is "one hundred five million, two hundred seventy-one thousand, two hundred seventy".