120356217 has 24 divisors (see below), whose sum is σ = 182270400. Its totient is φ = 76383648.

The previous prime is 120356207. The next prime is 120356219. The reversal of 120356217 is 712653021.

It is a happy number.

120356217 is a `hidden beast` number, since 1 + 2 + 0 + 35 + 621 + 7 = 666.

It is not a de Polignac number, because 120356217 - 2¹⁴ = 120339833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120356219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46134 + ... + 48672.

It is an arithmetic number, because the mean of its divisors is an integer number (7594600).

Almost surely, 2^120356217 is an apocalyptic number.

It is an amenable number.

120356217 is a deficient number, since it is larger than the sum of its proper divisors (61914183).

120356217 is a wasteful number, since it uses less digits than its factorization.

120356217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797 (or 2794 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 120356217 is about 10970.6981090540. The cubic root of 120356217 is about 493.7299919895.

The spelling of 120356217 in words is "one hundred twenty million, three hundred fifty-six thousand, two hundred seventeen".