126751326880 has 96 divisors (see below), whose sum is σ = 311999869440. Its totient is φ = 48606274560.

The previous prime is 126751326841. The next prime is 126751326899. The reversal of 126751326880 is 88623157621.

It is a happy number.

It is a super-2 number, since 2×126751326880² (a number of 23 digits) contains 22 as substring.

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, 411306 + ... + 650134.

It is an arithmetic number, because the mean of its divisors is an integer number (3249998640).

Almost surely, 2^126751326880 is an apocalyptic number.

126751326880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126751326880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155999934720).

126751326880 is an abundant number, since it is smaller than the sum of its proper divisors (185248542560).

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

126751326880 is a wasteful number, since it uses less digits than its factorization.

126751326880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238982 (or 238974 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 126751326880 in words is "one hundred twenty-six billion, seven hundred fifty-one million, three hundred twenty-six thousand, eight hundred eighty".