126969856080 has 80 divisors (see below), whose sum is σ = 395325530880. Its totient is φ = 33710759424.

The previous prime is 126969856067. The next prime is 126969856109. The reversal of 126969856080 is 80658969621.

126969856080 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×126969856080² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1100152 + ... + 1210071.

It is an arithmetic number, because the mean of its divisors is an integer number (4941569136).

Almost surely, 2^126969856080 is an apocalyptic number.

126969856080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126969856080 is an abundant number, since it is smaller than the sum of its proper divisors (268355674800).

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

126969856080 is a wasteful number, since it uses less digits than its factorization.

126969856080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310468 (or 2310462 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 60.

The spelling of 126969856080 in words is "one hundred twenty-six billion, nine hundred sixty-nine million, eight hundred fifty-six thousand, eighty".