126353 has 4 divisors (see below), whose sum is σ = 130740. Its totient is φ = 121968.

The previous prime is 126349. The next prime is 126359. The reversal of 126353 is 353621.

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

It can be written as a sum of positive squares in 2 ways, for example, as 107584 + 18769 = 328^2 + 137^2 .

It is a cyclic number.

It is not a de Polignac number, because 126353 - 2² = 126349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126359) 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, 2150 + ... + 2207.

It is an arithmetic number, because the mean of its divisors is an integer number (32685).

2¹²⁶³⁵³ is an apocalyptic number.

It is an amenable number.

126353 is a deficient number, since it is larger than the sum of its proper divisors (4387).

126353 is an equidigital number, since it uses as much as digits as its factorization.

126353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386.

The product of its digits is 540, while the sum is 20.

The square root of 126353 is about 355.4616716328. The cubic root of 126353 is about 50.1797530028.

Adding to 126353 its reverse (353621), we get a palindrome (479974).

The spelling of 126353 in words is "one hundred twenty-six thousand, three hundred fifty-three".