126803 has 4 divisors (see below), whose sum is σ = 134280. Its totient is φ = 119328.

The previous prime is 126781. The next prime is 126823. The reversal of 126803 is 308621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126803 - 2⁶ = 126739 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (126823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3713 + ... + 3746.

It is an arithmetic number, because the mean of its divisors is an integer number (33570).

2¹²⁶⁸⁰³ is an apocalyptic number.

126803 is a deficient number, since it is larger than the sum of its proper divisors (7477).

126803 is an equidigital number, since it uses as much as digits as its factorization.

126803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7476.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 126803 is about 356.0940886901. The cubic root of 126803 is about 50.2392533308.

It can be divided in two parts, 126 and 803, that added together give a palindrome (929).

The spelling of 126803 in words is "one hundred twenty-six thousand, eight hundred three".