10121317 has 2 divisors, whose sum is σ = 10121318. Its totient is φ = 10121316.

The previous prime is 10121299. The next prime is 10121323. The reversal of 10121317 is 71312101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8678916 + 1442401 = 2946^2 + 1201^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10121317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10121317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121117) 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, 5060658 + 5060659.

It is an arithmetic number, because the mean of its divisors is an integer number (5060659).

Almost surely, 2^10121317 is an apocalyptic number.

It is an amenable number.

10121317 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121317 is an equidigital number, since it uses as much as digits as its factorization.

10121317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 10121317 is about 3181.4017350847. The cubic root of 10121317 is about 216.3112012283.

Adding to 10121317 its reverse (71312101), we get a palindrome (81433418).

The spelling of 10121317 in words is "ten million, one hundred twenty-one thousand, three hundred seventeen".