127955971 has 16 divisors (see below), whose sum is σ = 150645600. Its totient is φ = 107147520.

The previous prime is 127955963. The next prime is 127955999. The reversal of 127955971 is 179559721.

It is a cyclic number.

It is not a de Polignac number, because 127955971 - 2³ = 127955963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127955951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121455 + ... + 122503.

It is an arithmetic number, because the mean of its divisors is an integer number (9415350).

Almost surely, 2^127955971 is an apocalyptic number.

127955971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

127955971 is a deficient number, since it is larger than the sum of its proper divisors (22689629).

127955971 is a wasteful number, since it uses less digits than its factorization.

127955971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926.

The product of its digits is 198450, while the sum is 46.

The square root of 127955971 is about 11311.7625063471. The cubic root of 127955971 is about 503.9106288896.

It can be divided in two parts, 1 and 27955971, that added together give a palindrome (27955972).

The spelling of 127955971 in words is "one hundred twenty-seven million, nine hundred fifty-five thousand, nine hundred seventy-one".