105278271 has 16 divisors (see below), whose sum is σ = 162081024. Its totient is φ = 59537664.

The previous prime is 105278269. The next prime is 105278273. The reversal of 105278271 is 172872501.

It is an interprime number because it is at equal distance from previous prime (105278269) and next prime (105278273).

It is not a de Polignac number, because 105278271 - 2¹ = 105278269 is a prime.

It is a super-2 number, since 2×105278271² = 22167028689498882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105278273) 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, 23805 + ... + 27878.

It is an arithmetic number, because the mean of its divisors is an integer number (10130064).

Almost surely, 2^105278271 is an apocalyptic number.

105278271 is a deficient number, since it is larger than the sum of its proper divisors (56802753).

105278271 is an equidigital number, since it uses as much as digits as its factorization.

105278271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51790.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 105278271 is about 10260.5200160616. The cubic root of 105278271 is about 472.1857914922.

The spelling of 105278271 in words is "one hundred five million, two hundred seventy-eight thousand, two hundred seventy-one".