7120217 has 4 divisors (see below), whose sum is σ = 7667940. Its totient is φ = 6572496.

The previous prime is 7120213. The next prime is 7120219.

7120217 is nontrivially palindromic in base 10.

7120217 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 546121 + 6574096 = 739^2 + 2564^2 .

It is a cyclic number.

It is not a de Polignac number, because 7120217 - 2² = 7120213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7120213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273842 + ... + 273867.

It is an arithmetic number, because the mean of its divisors is an integer number (1916985).

Almost surely, 2^7120217 is an apocalyptic number.

It is an amenable number.

7120217 is a deficient number, since it is larger than the sum of its proper divisors (547723).

7120217 is a wasteful number, since it uses less digits than its factorization.

7120217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547722.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 7120217 is about 2668.3734746096. The cubic root of 7120217 is about 192.3819887243.

It can be divided in two parts, 7120 and 217, that added together give a palindrome (7337).

The spelling of 7120217 in words is "seven million, one hundred twenty thousand, two hundred seventeen".