542646126122 has 16 divisors (see below), whose sum is σ = 831932271072. Its totient is φ = 265400101200.

The previous prime is 542646126019. The next prime is 542646126133. The reversal of 542646126122 is 221621646245.

It is a self number, because there is not a number n which added to its sum of digits gives 542646126122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16166168 + ... + 16199699.

It is an arithmetic number, because the mean of its divisors is an integer number (51995766942).

Almost surely, 2^542646126122 is an apocalyptic number.

542646126122 is a deficient number, since it is larger than the sum of its proper divisors (289286144950).

542646126122 is a wasteful number, since it uses less digits than its factorization.

542646126122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32366053.

The product of its digits is 276480, while the sum is 41.

The spelling of 542646126122 in words is "five hundred forty-two billion, six hundred forty-six million, one hundred twenty-six thousand, one hundred twenty-two".