126108666 has 24 divisors (see below), whose sum is σ = 273679380. Its totient is φ = 41967936.

The previous prime is 126108659. The next prime is 126108667. The reversal of 126108666 is 666801621.

It can be written as a sum of positive squares in 2 ways, for example, as 126090441 + 18225 = 11229^2 + 135^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 126108666.

It is not an unprimeable number, because it can be changed into a prime (126108667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6390 + ... + 17118.

Almost surely, 2^126108666 is an apocalyptic number.

126108666 is an abundant number, since it is smaller than the sum of its proper divisors (147570714).

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

126108666 is a wasteful number, since it uses less digits than its factorization.

126108666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11390 (or 11387 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 126108666 is about 11229.8114855059. The cubic root of 126108666 is about 501.4738724643.

The spelling of 126108666 in words is "one hundred twenty-six million, one hundred eight thousand, six hundred sixty-six".