102124513 has 2 divisors, whose sum is σ = 102124514. Its totient is φ = 102124512.

The previous prime is 102124507. The next prime is 102124523. The reversal of 102124513 is 315421201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94245264 + 7879249 = 9708^2 + 2807^2 .

It is a cyclic number.

It is not a de Polignac number, because 102124513 - 2¹³ = 102116321 is a prime.

It is not a weakly prime, because it can be changed into another prime (102124523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51062256 + 51062257.

It is an arithmetic number, because the mean of its divisors is an integer number (51062257).

Almost surely, 2^102124513 is an apocalyptic number.

It is an amenable number.

102124513 is a deficient number, since it is larger than the sum of its proper divisors (1).

102124513 is an equidigital number, since it uses as much as digits as its factorization.

102124513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 102124513 is about 10105.6673703422. The cubic root of 102124513 is about 467.4229150263.

Adding to 102124513 its reverse (315421201), we get a palindrome (417545714).

The spelling of 102124513 in words is "one hundred two million, one hundred twenty-four thousand, five hundred thirteen".