126560643024 has 80 divisors (see below), whose sum is σ = 338787046400. Its totient is φ = 40684146048.

The previous prime is 126560642953. The next prime is 126560643031. The reversal of 126560643024 is 420346065621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225034 + ... + 551145.

It is an arithmetic number, because the mean of its divisors is an integer number (4234838080).

Almost surely, 2^126560643024 is an apocalyptic number.

It is an amenable number.

126560643024 is an abundant number, since it is smaller than the sum of its proper divisors (212226403376).

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

126560643024 is a wasteful number, since it uses less digits than its factorization.

126560643024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776312 (or 776306 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 126560643024 in words is "one hundred twenty-six billion, five hundred sixty million, six hundred forty-three thousand, twenty-four".