102121303 has 2 divisors, whose sum is σ = 102121304. Its totient is φ = 102121302.

The previous prime is 102121273. The next prime is 102121339. The reversal of 102121303 is 303121201.

It is a weak prime.

It is an emirp because it is prime and its reverse (303121201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102121303 - 2¹³ = 102113111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102121343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060651 + 51060652.

It is an arithmetic number, because the mean of its divisors is an integer number (51060652).

Almost surely, 2^102121303 is an apocalyptic number.

102121303 is a deficient number, since it is larger than the sum of its proper divisors (1).

102121303 is an equidigital number, since it uses as much as digits as its factorization.

102121303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 102121303 is about 10105.5085473221. The cubic root of 102121303 is about 467.4180175953.

Adding to 102121303 its reverse (303121201), we get a palindrome (405242504).

The spelling of 102121303 in words is "one hundred two million, one hundred twenty-one thousand, three hundred three".