126836 has 12 divisors (see below), whose sum is σ = 228228. Its totient is φ = 61632.

The previous prime is 126827. The next prime is 126839. The reversal of 126836 is 638621.

It can be written as a sum of positive squares in 2 ways, for example, as 115600 + 11236 = 340^2 + 106^2 .

It is a d-powerful number, because it can be written as 1 + 2¹⁵ + 8³ + 6⁶ + 3⁵ + 6⁶ .

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126839) by changing a digit.

126836 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 3 ways as a sum of consecutive naturals, for example, 281 + ... + 576.

It is an arithmetic number, because the mean of its divisors is an integer number (19019).

2¹²⁶⁸³⁶ is an apocalyptic number.

It is an amenable number.

126836 is a deficient number, since it is larger than the sum of its proper divisors (101392).

126836 is a wasteful number, since it uses less digits than its factorization.

126836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 896 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 126836 is about 356.1404217440. The cubic root of 126836 is about 50.2436111445.

The spelling of 126836 in words is "one hundred twenty-six thousand, eight hundred thirty-six".