126853 has 4 divisors (see below), whose sum is σ = 129600. Its totient is φ = 124108.

The previous prime is 126851. The next prime is 126857. The reversal of 126853 is 358621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 358621 = 71 ⋅5051.

It is a cyclic number.

It is not a de Polignac number, because 126853 - 2¹ = 126851 is a prime.

It is a Duffinian number.

126853 is a lucky number.

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 (126851) by changing a digit.

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, 1303 + ... + 1396.

It is an arithmetic number, because the mean of its divisors is an integer number (32400).

2¹²⁶⁸⁵³ is an apocalyptic number.

It is an amenable number.

126853 is a deficient number, since it is larger than the sum of its proper divisors (2747).

126853 is an equidigital number, since it uses as much as digits as its factorization.

126853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746.

The product of its digits is 1440, while the sum is 25.

The square root of 126853 is about 356.1642879347. The cubic root of 126853 is about 50.2458557839.

It can be divided in two parts, 126 and 853, that added together give a palindrome (979).

The spelling of 126853 in words is "one hundred twenty-six thousand, eight hundred fifty-three".