126424 has 8 divisors (see below), whose sum is σ = 237060. Its totient is φ = 63208.

The previous prime is 126421. The next prime is 126433. The reversal of 126424 is 424621.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126421) 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 as a sum of consecutive naturals, namely, 7894 + ... + 7909.

2¹²⁶⁴²⁴ is an apocalyptic number.

It is an amenable number.

126424 is a deficient number, since it is larger than the sum of its proper divisors (110636).

126424 is a wasteful number, since it uses less digits than its factorization.

126424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15809 (or 15805 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 126424 is about 355.5615277276. The cubic root of 126424 is about 50.1891502083.

The spelling of 126424 in words is "one hundred twenty-six thousand, four hundred twenty-four".