864127 has 8 divisors (see below), whose sum is σ = 998352. Its totient is φ = 739200.

The previous prime is 864121. The next prime is 864131. The reversal of 864127 is 721468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 864127 - 2³ = 864119 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 864095 and 864104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2124 + ... + 2497.

It is an arithmetic number, because the mean of its divisors is an integer number (124794).

2⁸⁶⁴¹²⁷ is an apocalyptic number.

864127 is a deficient number, since it is larger than the sum of its proper divisors (134225).

864127 is a wasteful number, since it uses less digits than its factorization.

864127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649.

The product of its digits is 2688, while the sum is 28.

The square root of 864127 is about 929.5843157025. The cubic root of 864127 is about 95.2487295546.

It can be divided in two parts, 8641 and 27, that added together give a palindrome (8668).

The spelling of 864127 in words is "eight hundred sixty-four thousand, one hundred twenty-seven".