126666674 has 8 divisors (see below), whose sum is σ = 191959068. Its totient is φ = 62680320.

The previous prime is 126666667. The next prime is 126666679. The reversal of 126666674 is 476666621.

It can be written as a sum of positive squares in 2 ways, for example, as 125328025 + 1338649 = 11195^2 + 1157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (126666679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326267 + ... + 326654.

Almost surely, 2^126666674 is an apocalyptic number.

126666674 is a deficient number, since it is larger than the sum of its proper divisors (65292394).

126666674 is an equidigital number, since it uses as much as digits as its factorization.

126666674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653020.

The product of its digits is 435456, while the sum is 44.

The square root of 126666674 is about 11254.6290032146. The cubic root of 126666674 is about 502.2124278864.

The spelling of 126666674 in words is "one hundred twenty-six million, six hundred sixty-six thousand, six hundred seventy-four".