126204666 has 32 divisors (see below), whose sum is σ = 290096640. Its totient is φ = 35854896.

The previous prime is 126204653. The next prime is 126204677. The reversal of 126204666 is 666402621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 876 + ... + 15911.

It is an arithmetic number, because the mean of its divisors is an integer number (9065520).

Almost surely, 2^126204666 is an apocalyptic number.

126204666 is an abundant number, since it is smaller than the sum of its proper divisors (163891974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126204666 is a wasteful number, since it uses less digits than its factorization.

126204666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16978.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 126204666 is about 11234.0850094701. The cubic root of 126204666 is about 501.6010888896.

The spelling of 126204666 in words is "one hundred twenty-six million, two hundred four thousand, six hundred sixty-six".