102124039 has 2 divisors, whose sum is σ = 102124040. Its totient is φ = 102124038.

The previous prime is 102124037. The next prime is 102124073. The reversal of 102124039 is 930421201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102124039 - 2¹ = 102124037 is a prime.

Together with 102124037, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102124037) 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, 51062019 + 51062020.

It is an arithmetic number, because the mean of its divisors is an integer number (51062020).

Almost surely, 2^102124039 is an apocalyptic number.

102124039 is a deficient number, since it is larger than the sum of its proper divisors (1).

102124039 is an equidigital number, since it uses as much as digits as its factorization.

102124039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 102124039 is about 10105.6439181281. The cubic root of 102124039 is about 467.4221918607.

The spelling of 102124039 in words is "one hundred two million, one hundred twenty-four thousand, thirty-nine".