127100071 has 12 divisors (see below), whose sum is σ = 148922760. Its totient is φ = 108153360.

The previous prime is 127100059. The next prime is 127100087. The reversal of 127100071 is 170001721.

It is not a de Polignac number, because 127100071 - 2⁷ = 127099943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127100021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2520 + ... + 16141.

It is an arithmetic number, because the mean of its divisors is an integer number (12410230).

Almost surely, 2^127100071 is an apocalyptic number.

127100071 is a deficient number, since it is larger than the sum of its proper divisors (21822689).

127100071 is a wasteful number, since it uses less digits than its factorization.

127100071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18814 (or 18807 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 127100071 is about 11273.8667279687. The cubic root of 127100071 is about 502.7845583485.

Adding to 127100071 its reverse (170001721), we get a palindrome (297101792).

The spelling of 127100071 in words is "one hundred twenty-seven million, one hundred thousand, seventy-one".