864126 has 24 divisors (see below), whose sum is σ = 1905384. Its totient is φ = 282960.

The previous prime is 864121. The next prime is 864131. The reversal of 864126 is 621468.

It is an interprime number because it is at equal distance from previous prime (864121) and next prime (864131).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 864126.

It is a congruent number.

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

864126 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 11 ways as a sum of consecutive naturals, for example, 705 + ... + 1491.

It is an arithmetic number, because the mean of its divisors is an integer number (79391).

2⁸⁶⁴¹²⁶ is an apocalyptic number.

864126 is an abundant number, since it is smaller than the sum of its proper divisors (1041258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

864126 is a wasteful number, since it uses less digits than its factorization.

864126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 853 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 864126 is about 929.5837778275. The cubic root of 864126 is about 95.2486928128.

It can be divided in two parts, 864 and 126, that added together give a triangular number (990 = T₄₄).

The spelling of 864126 in words is "eight hundred sixty-four thousand, one hundred twenty-six".