126426646 has 16 divisors (see below), whose sum is σ = 200214000. Its totient is φ = 59708448.

The previous prime is 126426617. The next prime is 126426673. The reversal of 126426646 is 646624621.

It is a congruent number.

It is an unprimeable number.

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, 8496 + ... + 18028.

It is an arithmetic number, because the mean of its divisors is an integer number (12513375).

Almost surely, 2^126426646 is an apocalyptic number.

126426646 is a deficient number, since it is larger than the sum of its proper divisors (73787354).

126426646 is a wasteful number, since it uses less digits than its factorization.

126426646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9903.

The product of its digits is 82944, while the sum is 37.

The square root of 126426646 is about 11243.9604232672. The cubic root of 126426646 is about 501.8950035166.

The spelling of 126426646 in words is "one hundred twenty-six million, four hundred twenty-six thousand, six hundred forty-six".