126397306 has 16 divisors (see below), whose sum is σ = 217820160. Its totient is φ = 53885520.

The previous prime is 126397303. The next prime is 126397321. The reversal of 126397306 is 603793621.

It is not an unprimeable number, because it can be changed into a prime (126397303) 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, 20961 + ... + 26308.

It is an arithmetic number, because the mean of its divisors is an integer number (13613760).

Almost surely, 2^126397306 is an apocalyptic number.

126397306 is a deficient number, since it is larger than the sum of its proper divisors (91422854).

126397306 is a wasteful number, since it uses less digits than its factorization.

126397306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47469.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 126397306 is about 11242.6556471325. The cubic root of 126397306 is about 501.8561753657.

The spelling of 126397306 in words is "one hundred twenty-six million, three hundred ninety-seven thousand, three hundred six".