127856 has 20 divisors (see below), whose sum is σ = 253704. Its totient is φ = 62400.

The previous prime is 127849. The next prime is 127859. The reversal of 127856 is 658721.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127859) by changing a digit.

127856 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911 + ... + 1041.

2¹²⁷⁸⁵⁶ is an apocalyptic number.

127856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

127856 is a deficient number, since it is larger than the sum of its proper divisors (125848).

127856 is a wasteful number, since it uses less digits than its factorization.

127856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 194 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 127856 is about 357.5695736497. The cubic root of 127856 is about 50.3779360886.

The spelling of 127856 in words is "one hundred twenty-seven thousand, eight hundred fifty-six".