126447 has 8 divisors (see below), whose sum is σ = 170544. Its totient is φ = 83328.

The previous prime is 126443. The next prime is 126457. The reversal of 126447 is 744621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126447 - 2² = 126443 is a prime.

126447 is a lucky number.

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 7 ways as a sum of consecutive naturals, for example, 153 + ... + 525.

It is an arithmetic number, because the mean of its divisors is an integer number (21318).

2¹²⁶⁴⁴⁷ is an apocalyptic number.

126447 is a deficient number, since it is larger than the sum of its proper divisors (44097).

126447 is a wasteful number, since it uses less digits than its factorization.

126447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489.

The product of its digits is 1344, while the sum is 24.

The square root of 126447 is about 355.5938694635. The cubic root of 126447 is about 50.1921936190.

The spelling of 126447 in words is "one hundred twenty-six thousand, four hundred forty-seven".