127851868 has 12 divisors (see below), whose sum is σ = 223846560. Its totient is φ = 63895712.

The previous prime is 127851859. The next prime is 127851869. The reversal of 127851868 is 868158721.

It is a super-2 number, since 2×127851868² = 32692200302178848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127851869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3888 + ... + 16456.

It is an arithmetic number, because the mean of its divisors is an integer number (18653880).

Almost surely, 2^127851868 is an apocalyptic number.

It is an amenable number.

127851868 is a deficient number, since it is larger than the sum of its proper divisors (95994692).

127851868 is a wasteful number, since it uses less digits than its factorization.

127851868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15116 (or 15114 counting only the distinct ones).

The product of its digits is 215040, while the sum is 46.

The square root of 127851868 is about 11307.1600324750. The cubic root of 127851868 is about 503.7739338459.

The spelling of 127851868 in words is "one hundred twenty-seven million, eight hundred fifty-one thousand, eight hundred sixty-eight".