126109306 has 8 divisors (see below), whose sum is σ = 189956160. Its totient is φ = 62790588.

The previous prime is 126109303. The next prime is 126109337. The reversal of 126109306 is 603901621.

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 (126109303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131436 + ... + 132391.

It is an arithmetic number, because the mean of its divisors is an integer number (23744520).

Almost surely, 2^126109306 is an apocalyptic number.

126109306 is a deficient number, since it is larger than the sum of its proper divisors (63846854).

126109306 is a wasteful number, since it uses less digits than its factorization.

126109306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264068.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 126109306 is about 11229.8399810505. The cubic root of 126109306 is about 501.4747207876.

The spelling of 126109306 in words is "one hundred twenty-six million, one hundred nine thousand, three hundred six".