126065425878 has 24 divisors (see below), whose sum is σ = 312162007248. Its totient is φ = 36018693072.

The previous prime is 126065425877. The next prime is 126065425903. The reversal of 126065425878 is 878524560621.

126065425878 is a `hidden beast` number, since 1 + 2 + 6 + 0 + 6 + 54 + 2 + 587 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126065425877) 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, 500259501 + ... + 500259752.

It is an arithmetic number, because the mean of its divisors is an integer number (13006750302).

Almost surely, 2^126065425878 is an apocalyptic number.

126065425878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

126065425878 is an abundant number, since it is smaller than the sum of its proper divisors (186096581370).

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

126065425878 is a wasteful number, since it uses less digits than its factorization.

126065425878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000519268 (or 1000519265 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 126065425878 in words is "one hundred twenty-six billion, sixty-five million, four hundred twenty-five thousand, eight hundred seventy-eight".