856127 has 4 divisors (see below), whose sum is σ = 883776. Its totient is φ = 828480.

The previous prime is 856117. The next prime is 856133. The reversal of 856127 is 721658.

856127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 856127 - 2⁴ = 856111 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 856127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856117) 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, 13778 + ... + 13839.

It is an arithmetic number, because the mean of its divisors is an integer number (220944).

2⁸⁵⁶¹²⁷ is an apocalyptic number.

856127 is a deficient number, since it is larger than the sum of its proper divisors (27649).

856127 is a wasteful number, since it uses less digits than its factorization.

856127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27648.

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

The square root of 856127 is about 925.2713115622. The cubic root of 856127 is about 94.9538834341.

The spelling of 856127 in words is "eight hundred fifty-six thousand, one hundred twenty-seven".