120011217 has 16 divisors (see below), whose sum is σ = 169715328. Its totient is φ = 75271680.

The previous prime is 120011209. The next prime is 120011219. The reversal of 120011217 is 712110021.

It is not a de Polignac number, because 120011217 - 2³ = 120011209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120011196 and 120011205.

It is not an unprimeable number, because it can be changed into a prime (120011219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10048 + ... + 18465.

It is an arithmetic number, because the mean of its divisors is an integer number (10607208).

Almost surely, 2^120011217 is an apocalyptic number.

It is an amenable number.

120011217 is a deficient number, since it is larger than the sum of its proper divisors (49704111).

120011217 is a wasteful number, since it uses less digits than its factorization.

120011217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28600.

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 120011217 is about 10954.9631218001. The cubic root of 120011217 is about 493.2577829988.

Adding to 120011217 its reverse (712110021), we get a palindrome (832121238).

The spelling of 120011217 in words is "one hundred twenty million, eleven thousand, two hundred seventeen".