126723603504 has 40 divisors (see below), whose sum is σ = 327399513840. Its totient is φ = 42237303808.

The previous prime is 126723603497. The next prime is 126723603527. The reversal of 126723603504 is 405306327621.

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, 429604 + ... + 661820.

It is an arithmetic number, because the mean of its divisors is an integer number (8184987846).

Almost surely, 2^126723603504 is an apocalyptic number.

It is an amenable number.

126723603504 is an abundant number, since it is smaller than the sum of its proper divisors (200675910336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126723603504 is a wasteful number, since it uses less digits than its factorization.

126723603504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243597 (or 243591 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 126723603504 in words is "one hundred twenty-six billion, seven hundred twenty-three million, six hundred three thousand, five hundred four".