103242917 has 2 divisors, whose sum is σ = 103242918. Its totient is φ = 103242916.

The previous prime is 103242901. The next prime is 103243027. The reversal of 103242917 is 719242301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103205281 + 37636 = 10159^2 + 194^2 .

It is an emirp because it is prime and its reverse (719242301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103242917 - 2⁴ = 103242901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103242917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103248917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51621458 + 51621459.

It is an arithmetic number, because the mean of its divisors is an integer number (51621459).

Almost surely, 2^103242917 is an apocalyptic number.

It is an amenable number.

103242917 is a deficient number, since it is larger than the sum of its proper divisors (1).

103242917 is an equidigital number, since it uses as much as digits as its factorization.

103242917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 103242917 is about 10160.8521788283. The cubic root of 103242917 is about 469.1230319626.

The spelling of 103242917 in words is "one hundred three million, two hundred forty-two thousand, nine hundred seventeen".