126382217 has 16 divisors (see below), whose sum is σ = 142829568. Its totient is φ = 110953920.

The previous prime is 126382187. The next prime is 126382231. The reversal of 126382217 is 712283621.

It is a cyclic number.

It is not a de Polignac number, because 126382217 - 2¹² = 126378121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126382717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56003 + ... + 58215.

It is an arithmetic number, because the mean of its divisors is an integer number (8926848).

Almost surely, 2^126382217 is an apocalyptic number.

It is an amenable number.

126382217 is a deficient number, since it is larger than the sum of its proper divisors (16447351).

126382217 is a wasteful number, since it uses less digits than its factorization.

126382217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440.

The product of its digits is 8064, while the sum is 32.

The square root of 126382217 is about 11241.9845667925. The cubic root of 126382217 is about 501.8362044517.

The spelling of 126382217 in words is "one hundred twenty-six million, three hundred eighty-two thousand, two hundred seventeen".