126320366 has 4 divisors (see below), whose sum is σ = 189480552. Its totient is φ = 63160182.

The previous prime is 126320323. The next prime is 126320371. The reversal of 126320366 is 663023621.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31580090 + ... + 31580093.

It is an arithmetic number, because the mean of its divisors is an integer number (47370138).

Almost surely, 2^126320366 is an apocalyptic number.

126320366 is a deficient number, since it is larger than the sum of its proper divisors (63160186).

126320366 is an equidigital number, since it uses as much as digits as its factorization.

126320366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63160185.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 126320366 is about 11239.2333368429. The cubic root of 126320366 is about 501.7543254852.

Adding to 126320366 its reverse (663023621), we get a palindrome (789343987).

The spelling of 126320366 in words is "one hundred twenty-six million, three hundred twenty thousand, three hundred sixty-six".