126686826 has 48 divisors (see below), whose sum is σ = 314518464. Its totient is φ = 36101952.

The previous prime is 126686743. The next prime is 126686827. The reversal of 126686826 is 628686621.

It is not an unprimeable number, because it can be changed into a prime (126686827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57766 + ... + 59918.

It is an arithmetic number, because the mean of its divisors is an integer number (6552468).

Almost surely, 2^126686826 is an apocalyptic number.

126686826 is an abundant number, since it is smaller than the sum of its proper divisors (187831638).

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

126686826 is a wasteful number, since it uses less digits than its factorization.

126686826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635 (or 2632 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 126686826 is about 11255.5242436770. The cubic root of 126686826 is about 502.2390595906.

The spelling of 126686826 in words is "one hundred twenty-six million, six hundred eighty-six thousand, eight hundred twenty-six".