126863 has 8 divisors (see below), whose sum is σ = 145920. Its totient is φ = 109080.

The previous prime is 126859. The next prime is 126913. The reversal of 126863 is 368621.

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 126863 - 2² = 126859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126823) 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 7 ways as a sum of consecutive naturals, for example, 95 + ... + 512.

It is an arithmetic number, because the mean of its divisors is an integer number (18240).

2¹²⁶⁸⁶³ is an apocalyptic number.

126863 is a deficient number, since it is larger than the sum of its proper divisors (19057).

126863 is a wasteful number, since it uses less digits than its factorization.

126863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637.

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

The square root of 126863 is about 356.1783261233. The cubic root of 126863 is about 50.2471760663.

It can be divided in two parts, 1268 and 63, that added together give a palindrome (1331).

The spelling of 126863 in words is "one hundred twenty-six thousand, eight hundred sixty-three".