126232542240646 has 8 divisors (see below), whose sum is σ = 189349143946200. Its totient is φ = 63116160925248.

The previous prime is 126232542240643. The next prime is 126232542240647. The reversal of 126232542240646 is 646042245232621.

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

It is a self number, because there is not a number n which added to its sum of digits gives 126232542240646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126232542240643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53658096 + ... + 55961203.

It is an arithmetic number, because the mean of its divisors is an integer number (23668642993275).

Almost surely, 2^{126232542240646} is an apocalyptic number.

126232542240646 is a deficient number, since it is larger than the sum of its proper divisors (63116601705554).

126232542240646 is a wasteful number, since it uses less digits than its factorization.

126232542240646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110195078.

The product of its (nonzero) digits is 6635520, while the sum is 49.

The spelling of 126232542240646 in words is "one hundred twenty-six trillion, two hundred thirty-two billion, five hundred forty-two million, two hundred forty thousand, six hundred forty-six".