126686146 has 16 divisors (see below), whose sum is σ = 197578080. Its totient is φ = 60873120.

The previous prime is 126686117. The next prime is 126686149. The reversal of 126686146 is 641686621.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 126686099 and 126686108.

It is not an unprimeable number, because it can be changed into a prime (126686149) 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, 6036 + ... + 17023.

It is an arithmetic number, because the mean of its divisors is an integer number (12348630).

Almost surely, 2^126686146 is an apocalyptic number.

126686146 is a deficient number, since it is larger than the sum of its proper divisors (70891934).

126686146 is a wasteful number, since it uses less digits than its factorization.

126686146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23169.

The product of its digits is 82944, while the sum is 40.

The square root of 126686146 is about 11255.4940362474. The cubic root of 126686146 is about 502.2381609884.

The spelling of 126686146 in words is "one hundred twenty-six million, six hundred eighty-six thousand, one hundred forty-six".