126636676 has 12 divisors (see below), whose sum is σ = 224104860. Its totient is φ = 62606720.

The previous prime is 126636673. The next prime is 126636721. The reversal of 126636676 is 676636621.

It can be written as a sum of positive squares in 2 ways, for example, as 62252100 + 64384576 = 7890^2 + 8024^2 .

It is not an unprimeable number, because it can be changed into a prime (126636673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177505 + ... + 178216.

It is an arithmetic number, because the mean of its divisors is an integer number (18675405).

Almost surely, 2^126636676 is an apocalyptic number.

It is an amenable number.

126636676 is a deficient number, since it is larger than the sum of its proper divisors (97468184).

126636676 is a wasteful number, since it uses less digits than its factorization.

126636676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355814 (or 355812 counting only the distinct ones).

The product of its digits is 326592, while the sum is 43.

The square root of 126636676 is about 11253.2962282169. The cubic root of 126636676 is about 502.1727790522.

Subtracting 126636676 from its reverse (676636621), we obtain a palindrome (549999945).

The spelling of 126636676 in words is "one hundred twenty-six million, six hundred thirty-six thousand, six hundred seventy-six".