126424449 has 16 divisors (see below), whose sum is σ = 192359040. Its totient is φ = 82004400.

The previous prime is 126424439. The next prime is 126424453. The reversal of 126424449 is 944424621.

It is a happy number.

126424449 is a `hidden beast` number, since 1 + 2 + 642 + 4 + 4 + 4 + 9 = 666.

It is not a de Polignac number, because 126424449 - 2⁷ = 126424321 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126424439) 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 in 15 ways as a sum of consecutive naturals, for example, 62277 + ... + 64274.

It is an arithmetic number, because the mean of its divisors is an integer number (12022440).

Almost surely, 2^126424449 is an apocalyptic number.

It is an amenable number.

126424449 is a deficient number, since it is larger than the sum of its proper divisors (65934591).

126424449 is a wasteful number, since it uses less digits than its factorization.

126424449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126597 (or 126591 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 126424449 is about 11243.8627259497. The cubic root of 126424449 is about 501.8920962453.

The spelling of 126424449 in words is "one hundred twenty-six million, four hundred twenty-four thousand, four hundred forty-nine".