127142771 has 8 divisors (see below), whose sum is σ = 146198784. Its totient is φ = 108309960.

The previous prime is 127142761. The next prime is 127142773. The reversal of 127142771 is 177241721.

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 127142771 - 2¹⁴ = 127126387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127142773) 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, 54575 + ... + 56856.

It is an arithmetic number, because the mean of its divisors is an integer number (18274848).

Almost surely, 2^127142771 is an apocalyptic number.

127142771 is a deficient number, since it is larger than the sum of its proper divisors (19056013).

127142771 is a wasteful number, since it uses less digits than its factorization.

127142771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111601.

The product of its digits is 5488, while the sum is 32.

The square root of 127142771 is about 11275.7603291308. The cubic root of 127142771 is about 502.8408564993.

The spelling of 127142771 in words is "one hundred twenty-seven million, one hundred forty-two thousand, seven hundred seventy-one".