120107217 has 8 divisors (see below), whose sum is σ = 164471296. Its totient is φ = 77907312.

The previous prime is 120107171. The next prime is 120107233. The reversal of 120107217 is 712701021.

It is a happy number.

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

It is not a de Polignac number, because 120107217 - 2⁷ = 120107089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120107193 and 120107202.

It is not an unprimeable number, because it can be changed into a prime (120107257) 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, 540913 + ... + 541134.

It is an arithmetic number, because the mean of its divisors is an integer number (20558912).

Almost surely, 2^120107217 is an apocalyptic number.

It is an amenable number.

120107217 is a deficient number, since it is larger than the sum of its proper divisors (44364079).

120107217 is a wasteful number, since it uses less digits than its factorization.

120107217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082087.

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 120107217 is about 10959.3438215981. The cubic root of 120107217 is about 493.3892710595.

Multiplying 120107217 by its product of nonzero digits (196), we get a palindrome (23541014532).

Adding to 120107217 its reverse (712701021), we get a palindrome (832808238).

The spelling of 120107217 in words is "one hundred twenty million, one hundred seven thousand, two hundred seventeen".