126668308 has 12 divisors (see below), whose sum is σ = 238721140. Its totient is φ = 58462272.

The previous prime is 126668293. The next prime is 126668329. The reversal of 126668308 is 803866621.

It can be written as a sum of positive squares in 2 ways, for example, as 74857104 + 51811204 = 8652^2 + 7198^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1217913 + ... + 1218016.

Almost surely, 2^126668308 is an apocalyptic number.

It is an amenable number.

126668308 is a deficient number, since it is larger than the sum of its proper divisors (112052832).

126668308 is a wasteful number, since it uses less digits than its factorization.

126668308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435946 (or 2435944 counting only the distinct ones).

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

The square root of 126668308 is about 11254.7015953334. The cubic root of 126668308 is about 502.2145873904.

The spelling of 126668308 in words is "one hundred twenty-six million, six hundred sixty-eight thousand, three hundred eight".