127105 has 8 divisors (see below), whose sum is σ = 166464. Its totient is φ = 92400.

The previous prime is 127103. The next prime is 127123. The reversal of 127105 is 501721.

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

It is not a de Polignac number, because 127105 - 2¹ = 127103 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (127103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101 + ... + 1210.

It is an arithmetic number, because the mean of its divisors is an integer number (20808).

2¹²⁷¹⁰⁵ is an apocalyptic number.

It is an amenable number.

127105 is a deficient number, since it is larger than the sum of its proper divisors (39359).

127105 is a wasteful number, since it uses less digits than its factorization.

127105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 127105 is about 356.5178817395. The cubic root of 127105 is about 50.2791057671.

Adding to 127105 its reverse (501721), we get a palindrome (628826).

It can be divided in two parts, 127 and 105, that added together give a palindrome (232).

The spelling of 127105 in words is "one hundred twenty-seven thousand, one hundred five".