857141 has 8 divisors (see below), whose sum is σ = 907200. Its totient is φ = 808192.

The previous prime is 857137. The next prime is 857161. The reversal of 857141 is 141758.

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

It is a cyclic number.

It is not a de Polignac number, because 857141 - 2² = 857137 is a prime.

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 857141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857161) 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, 1685 + ... + 2133.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

2⁸⁵⁷¹⁴¹ is an apocalyptic number.

It is an amenable number.

857141 is a deficient number, since it is larger than the sum of its proper divisors (50059).

857141 is a wasteful number, since it uses less digits than its factorization.

857141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555.

The product of its digits is 1120, while the sum is 26.

The square root of 857141 is about 925.8190968002. The cubic root of 857141 is about 94.9913565543.

Adding to 857141 its reverse (141758), we get a palindrome (998899).

The spelling of 857141 in words is "eight hundred fifty-seven thousand, one hundred forty-one".