126985787184 has 20 divisors (see below), whose sum is σ = 328046617016. Its totient is φ = 42328595712.

The previous prime is 126985787153. The next prime is 126985787189. The reversal of 126985787184 is 481787589621.

It is a super-3 number, since 3×126985787184³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (126985787189) 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, 1322768569 + ... + 1322768664.

Almost surely, 2^126985787184 is an apocalyptic number.

It is an amenable number.

126985787184 is an abundant number, since it is smaller than the sum of its proper divisors (201060829832).

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

126985787184 is a wasteful number, since it uses less digits than its factorization.

126985787184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645537244 (or 2645537238 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 66.

The spelling of 126985787184 in words is "one hundred twenty-six billion, nine hundred eighty-five million, seven hundred eighty-seven thousand, one hundred eighty-four".