126958755976 has 128 divisors (see below), whose sum is σ = 270752025600. Its totient is φ = 55372584960.

The previous prime is 126958755949. The next prime is 126958755977. The reversal of 126958755976 is 679557859621.

It is a super-2 number, since 2×126958755976² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126958755977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78320446 + ... + 78322066.

It is an arithmetic number, because the mean of its divisors is an integer number (2115250200).

Almost surely, 2^126958755976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126958755976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135376012800).

126958755976 is an abundant number, since it is smaller than the sum of its proper divisors (143793269624).

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

126958755976 is a wasteful number, since it uses less digits than its factorization.

126958755976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039 (or 2035 counting only the distinct ones).

The product of its digits is 285768000, while the sum is 70.

The spelling of 126958755976 in words is "one hundred twenty-six billion, nine hundred fifty-eight million, seven hundred fifty-five thousand, nine hundred seventy-six".