126186 has 8 divisors (see below), whose sum is σ = 252384. Its totient is φ = 42060.

The previous prime is 126173. The next prime is 126199. The reversal of 126186 is 681621.

It is an interprime number because it is at equal distance from previous prime (126173) and next prime (126199).

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

126186 is an admirable number.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10510 + ... + 10521.

It is an arithmetic number, because the mean of its divisors is an integer number (31548).

2¹²⁶¹⁸⁶ is an apocalyptic number.

126186 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

126186 is a wasteful number, since it uses less digits than its factorization.

126186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21036.

The product of its digits is 576, while the sum is 24.

The square root of 126186 is about 355.2266881866. The cubic root of 126186 is about 50.1576358300.

It can be divided in two parts, 126 and 186, that multiplied together give a triangular number (23436 = T₂₁₆).

The spelling of 126186 in words is "one hundred twenty-six thousand, one hundred eighty-six".