126424403 has 8 divisors (see below), whose sum is σ = 144743520. Its totient is φ = 108169920.

The previous prime is 126424387. The next prime is 126424439. The reversal of 126424403 is 304424621.

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

It is a cyclic number.

It is not a de Polignac number, because 126424403 - 2⁴ = 126424387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126424453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11888 + ... + 19853.

It is an arithmetic number, because the mean of its divisors is an integer number (18092940).

Almost surely, 2^126424403 is an apocalyptic number.

126424403 is a deficient number, since it is larger than the sum of its proper divisors (18319117).

126424403 is an equidigital number, since it uses as much as digits as its factorization.

126424403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32317.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 126424403 is about 11243.8606803891. The cubic root of 126424403 is about 501.8920353735.

The spelling of 126424403 in words is "one hundred twenty-six million, four hundred twenty-four thousand, four hundred three".