102124289 has 2 divisors, whose sum is σ = 102124290. Its totient is φ = 102124288.

The previous prime is 102124247. The next prime is 102124291. The reversal of 102124289 is 982421201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57501889 + 44622400 = 7583^2 + 6680^2 .

It is a cyclic number.

It is not a de Polignac number, because 102124289 - 2¹⁶ = 102058753 is a prime.

Together with 102124291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102124189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51062144 + 51062145.

It is an arithmetic number, because the mean of its divisors is an integer number (51062145).

Almost surely, 2^102124289 is an apocalyptic number.

It is an amenable number.

102124289 is a deficient number, since it is larger than the sum of its proper divisors (1).

102124289 is an equidigital number, since it uses as much as digits as its factorization.

102124289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 102124289 is about 10105.6562874462. The cubic root of 102124289 is about 467.4225732775.

The spelling of 102124289 in words is "one hundred two million, one hundred twenty-four thousand, two hundred eighty-nine".