126666202 has 16 divisors (see below), whose sum is σ = 204847272. Its totient is φ = 58394880.

The previous prime is 126666193. The next prime is 126666203. The reversal of 126666202 is 202666621.

It can be written as a sum of positive squares in 4 ways, for example, as 66928761 + 59737441 = 8181^2 + 7729^2 .

It is not an unprimeable number, because it can be changed into a prime (126666203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26302 + ... + 30742.

Almost surely, 2^126666202 is an apocalyptic number.

126666202 is a deficient number, since it is larger than the sum of its proper divisors (78181070).

126666202 is a wasteful number, since it uses less digits than its factorization.

126666202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 126666202 is about 11254.6080340454. The cubic root of 126666202 is about 502.2118040850.

The spelling of 126666202 in words is "one hundred twenty-six million, six hundred sixty-six thousand, two hundred two".