126066506 has 4 divisors (see below), whose sum is σ = 189099762. Its totient is φ = 63033252.

The previous prime is 126066503. The next prime is 126066517. The reversal of 126066506 is 605660621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 112678225 + 13388281 = 10615^2 + 3659^2 .

It is not an unprimeable number, because it can be changed into a prime (126066503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31516625 + ... + 31516628.

Almost surely, 2^126066506 is an apocalyptic number.

126066506 is a deficient number, since it is larger than the sum of its proper divisors (63033256).

126066506 is an equidigital number, since it uses as much as digits as its factorization.

126066506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63033255.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 126066506 is about 11227.9341822082. The cubic root of 126066506 is about 501.4179828478.

The spelling of 126066506 in words is "one hundred twenty-six million, sixty-six thousand, five hundred six".