127705971 has 8 divisors (see below), whose sum is σ = 170412480. Its totient is φ = 85068392.

The previous prime is 127705969. The next prime is 127705979. The reversal of 127705971 is 179507721.

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 127705971 - 2¹ = 127705969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127705979) 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, 12741 + ... + 20438.

It is an arithmetic number, because the mean of its divisors is an integer number (21301560).

Almost surely, 2^127705971 is an apocalyptic number.

127705971 is a deficient number, since it is larger than the sum of its proper divisors (42706509).

127705971 is a wasteful number, since it uses less digits than its factorization.

127705971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34465.

The product of its (nonzero) digits is 30870, while the sum is 39.

The square root of 127705971 is about 11300.7066593200. The cubic root of 127705971 is about 503.5822352233.

The spelling of 127705971 in words is "one hundred twenty-seven million, seven hundred five thousand, nine hundred seventy-one".