126321143546 has 32 divisors (see below), whose sum is σ = 204580630800. Its totient is φ = 58152729600.

The previous prime is 126321143539. The next prime is 126321143581. The reversal of 126321143546 is 645341123621.

126321143546 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 15738957025 + 110582186521 = 125455^2 + 332539^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18386600 + ... + 18393468.

Almost surely, 2^126321143546 is an apocalyptic number.

126321143546 is a deficient number, since it is larger than the sum of its proper divisors (78259487254).

126321143546 is a wasteful number, since it uses less digits than its factorization.

126321143546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8594.

The product of its digits is 103680, while the sum is 38.

The spelling of 126321143546 in words is "one hundred twenty-six billion, three hundred twenty-one million, one hundred forty-three thousand, five hundred forty-six".