120106217 has 8 divisors (see below), whose sum is σ = 149742912. Its totient is φ = 93589200.

The previous prime is 120106211. The next prime is 120106249. The reversal of 120106217 is 712601021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120106217 - 2¹² = 120102121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120106211) 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, 779834 + ... + 779987.

It is an arithmetic number, because the mean of its divisors is an integer number (18717864).

Almost surely, 2^120106217 is an apocalyptic number.

It is an amenable number.

120106217 is a deficient number, since it is larger than the sum of its proper divisors (29636695).

120106217 is a wasteful number, since it uses less digits than its factorization.

120106217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559839.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 120106217 is about 10959.2981983337. The cubic root of 120106217 is about 493.3879017534.

Adding to 120106217 its reverse (712601021), we get a palindrome (832707238).

The spelling of 120106217 in words is "one hundred twenty million, one hundred six thousand, two hundred seventeen".