1011217 has 2 divisors, whose sum is σ = 1011218. Its totient is φ = 1011216.

The previous prime is 1011191. The next prime is 1011221. The reversal of 1011217 is 7121101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1002001 + 9216 = 1001^2 + 96^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011217 - 2¹⁵ = 978449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011197 and 1011206.

It is not a weakly prime, because it can be changed into another prime (1011277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505608 + 505609.

It is an arithmetic number, because the mean of its divisors is an integer number (505609).

2^1011217 is an apocalyptic number.

It is an amenable number.

1011217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011217 is an equidigital number, since it uses as much as digits as its factorization.

1011217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 1011217 is about 1005.5928599587. The cubic root of 1011217 is about 100.3725106352.

Adding to 1011217 its reverse (7121101), we get a palindrome (8132318).

The spelling of 1011217 in words is "one million, eleven thousand, two hundred seventeen".