1007217 has 6 divisors (see below), whose sum is σ = 1454882. Its totient is φ = 671472.

The previous prime is 1007203. The next prime is 1007231. The reversal of 1007217 is 7127001.

It is an interprime number because it is at equal distance from previous prime (1007203) and next prime (1007231).

It can be written as a sum of positive squares in only one way, i.e., 998001 + 9216 = 999^2 + 96^2 .

It is not a de Polignac number, because 1007217 - 2⁷ = 1007089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1007217.

It is not an unprimeable number, because it can be changed into a prime (1007297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55948 + ... + 55965.

2^1007217 is an apocalyptic number.

It is an amenable number.

1007217 is a deficient number, since it is larger than the sum of its proper divisors (447665).

1007217 is a wasteful number, since it uses less digits than its factorization.

1007217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111919 (or 111916 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 1007217 is about 1003.6020127521. The cubic root of 1007217 is about 100.2399902527.

The spelling of 1007217 in words is "one million, seven thousand, two hundred seventeen".