126686386 has 16 divisors (see below), whose sum is σ = 195487488. Its totient is φ = 61549200.

The previous prime is 126686383. The next prime is 126686387. The reversal of 126686386 is 683686621.

It is not an unprimeable number, because it can be changed into a prime (126686383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3871 + ... + 16381.

It is an arithmetic number, because the mean of its divisors is an integer number (12217968).

Almost surely, 2^126686386 is an apocalyptic number.

126686386 is a deficient number, since it is larger than the sum of its proper divisors (68801102).

126686386 is a wasteful number, since it uses less digits than its factorization.

126686386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12657.

The product of its digits is 497664, while the sum is 46.

The square root of 126686386 is about 11255.5046977024. The cubic root of 126686386 is about 502.2384781425.

The spelling of 126686386 in words is "one hundred twenty-six million, six hundred eighty-six thousand, three hundred eighty-six".