127881168 has 20 divisors (see below), whose sum is σ = 330359808. Its totient is φ = 42627040.

The previous prime is 127881167. The next prime is 127881179. The reversal of 127881168 is 861188721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127881167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1332048 + ... + 1332143.

Almost surely, 2^127881168 is an apocalyptic number.

It is an amenable number.

127881168 is an abundant number, since it is smaller than the sum of its proper divisors (202478640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127881168 is a wasteful number, since it uses less digits than its factorization.

127881168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664202 (or 2664196 counting only the distinct ones).

The product of its digits is 43008, while the sum is 42.

The square root of 127881168 is about 11308.4555974722. The cubic root of 127881168 is about 503.8124144435.

The spelling of 127881168 in words is "one hundred twenty-seven million, eight hundred eighty-one thousand, one hundred sixty-eight".