126441 has 20 divisors (see below), whose sum is σ = 216832. Its totient is φ = 71928.

The previous prime is 126433. The next prime is 126443. The reversal of 126441 is 144621.

It is not a de Polignac number, because 126441 - 2³ = 126433 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126443) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 456 + ... + 678.

2¹²⁶⁴⁴¹ is an apocalyptic number.

It is an amenable number.

126441 is a deficient number, since it is larger than the sum of its proper divisors (90391).

126441 is an equidigital number, since it uses as much as digits as its factorization.

126441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 233 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 126441 is about 355.5854327725. The cubic root of 126441 is about 50.1913997214.

The spelling of 126441 in words is "one hundred twenty-six thousand, four hundred forty-one".