860131 has 4 divisors (see below), whose sum is σ = 897552. Its totient is φ = 822712.

The previous prime is 860117. The next prime is 860143. The reversal of 860131 is 131068.

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 860131 - 2⁹ = 859619 is a prime.

It is a super-2 number, since 2×860131² = 1479650674322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 860099 and 860108.

It is not an unprimeable number, because it can be changed into a prime (861131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18676 + ... + 18721.

It is an arithmetic number, because the mean of its divisors is an integer number (224388).

2⁸⁶⁰¹³¹ is an apocalyptic number.

860131 is a deficient number, since it is larger than the sum of its proper divisors (37421).

860131 is a wasteful number, since it uses less digits than its factorization.

860131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37420.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 860131 is about 927.4324773265. The cubic root of 860131 is about 95.1016824466.

Adding to 860131 its reverse (131068), we get a palindrome (991199).

The spelling of 860131 in words is "eight hundred sixty thousand, one hundred thirty-one".