126881959007 has 12 divisors (see below), whose sum is σ = 131267747448. Its totient is φ = 122630212800.

The previous prime is 126881958997. The next prime is 126881959073. The reversal of 126881959007 is 700959188621.

It is not a de Polignac number, because 126881959007 - 2⁴ = 126881958991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126881859007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172844 + ... + 532577.

It is an arithmetic number, because the mean of its divisors is an integer number (10938978954).

Almost surely, 2^126881959007 is an apocalyptic number.

126881959007 is a deficient number, since it is larger than the sum of its proper divisors (4385788441).

126881959007 is an equidigital number, since it uses as much as digits as its factorization.

126881959007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705610 (or 705569 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 56.

The spelling of 126881959007 in words is "one hundred twenty-six billion, eight hundred eighty-one million, nine hundred fifty-nine thousand, seven".