102136717 has 2 divisors, whose sum is σ = 102136718. Its totient is φ = 102136716.

The previous prime is 102136693. The next prime is 102136733. The reversal of 102136717 is 717631201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74321641 + 27815076 = 8621^2 + 5274^2 .

It is a cyclic number.

It is not a de Polignac number, because 102136717 - 2¹⁵ = 102103949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102136747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51068358 + 51068359.

It is an arithmetic number, because the mean of its divisors is an integer number (51068359).

Almost surely, 2^102136717 is an apocalyptic number.

It is an amenable number.

102136717 is a deficient number, since it is larger than the sum of its proper divisors (1).

102136717 is an equidigital number, since it uses as much as digits as its factorization.

102136717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 102136717 is about 10106.2711719011. The cubic root of 102136717 is about 467.4415334816.

Adding to 102136717 its reverse (717631201), we get a palindrome (819767918).

The spelling of 102136717 in words is "one hundred two million, one hundred thirty-six thousand, seven hundred seventeen".