126326661 has 8 divisors (see below), whose sum is σ = 170010144. Its totient is φ = 83430480.

The previous prime is 126326653. The next prime is 126326671. The reversal of 126326661 is 166623621.

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

It is not a de Polignac number, because 126326661 - 2³ = 126326653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126326671) 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, 196450 + ... + 197091.

It is an arithmetic number, because the mean of its divisors is an integer number (21251268).

Almost surely, 2^126326661 is an apocalyptic number.

It is an amenable number.

126326661 is a deficient number, since it is larger than the sum of its proper divisors (43683483).

126326661 is a wasteful number, since it uses less digits than its factorization.

126326661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393651.

The product of its digits is 15552, while the sum is 33.

The square root of 126326661 is about 11239.5133791459. The cubic root of 126326661 is about 501.7626600901.

The spelling of 126326661 in words is "one hundred twenty-six million, three hundred twenty-six thousand, six hundred sixty-one".