102791873 has 2 divisors, whose sum is σ = 102791874. Its totient is φ = 102791872.

The previous prime is 102791861. The next prime is 102791947. The reversal of 102791873 is 378197201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97278769 + 5513104 = 9863^2 + 2348^2 .

It is an emirp because it is prime and its reverse (378197201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102791873 - 2⁸ = 102791617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (102791803) 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, 51395936 + 51395937.

It is an arithmetic number, because the mean of its divisors is an integer number (51395937).

Almost surely, 2^102791873 is an apocalyptic number.

It is an amenable number.

102791873 is a deficient number, since it is larger than the sum of its proper divisors (1).

102791873 is an equidigital number, since it uses as much as digits as its factorization.

102791873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 102791873 is about 10138.6326987420. The cubic root of 102791873 is about 468.4388719851.

The spelling of 102791873 in words is "one hundred two million, seven hundred ninety-one thousand, eight hundred seventy-three".