126123580780 has 12 divisors (see below), whose sum is σ = 264859519680. Its totient is φ = 50449432304.

The previous prime is 126123580733. The next prime is 126123580787. The reversal of 126123580780 is 87085321621.

126123580780 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (126123580787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3153089500 + ... + 3153089539.

It is an arithmetic number, because the mean of its divisors is an integer number (22071626640).

Almost surely, 2^126123580780 is an apocalyptic number.

126123580780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126123580780 is an abundant number, since it is smaller than the sum of its proper divisors (138735938900).

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

126123580780 is a wasteful number, since it uses less digits than its factorization.

126123580780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6306179048 (or 6306179046 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 126123580780 in words is "one hundred twenty-six billion, one hundred twenty-three million, five hundred eighty thousand, seven hundred eighty".