126124177642 has 16 divisors (see below), whose sum is σ = 190748679264. Its totient is φ = 62541882000.

The previous prime is 126124177639. The next prime is 126124177651. The reversal of 126124177642 is 246771421621.

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, 276217 + ... + 573187.

It is an arithmetic number, because the mean of its divisors is an integer number (11921792454).

Almost surely, 2^126124177642 is an apocalyptic number.

126124177642 is a deficient number, since it is larger than the sum of its proper divisors (64624501622).

126124177642 is a wasteful number, since it uses less digits than its factorization.

126124177642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298725.

The product of its digits is 225792, while the sum is 43.

The spelling of 126124177642 in words is "one hundred twenty-six billion, one hundred twenty-four million, one hundred seventy-seven thousand, six hundred forty-two".