102424501 has 2 divisors, whose sum is σ = 102424502. Its totient is φ = 102424500.

The previous prime is 102424499. The next prime is 102424591. The reversal of 102424501 is 105424201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83283876 + 19140625 = 9126^2 + 4375^2 .

It is an emirp because it is prime and its reverse (105424201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102424501 - 2¹ = 102424499 is a prime.

Together with 102424499, 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 (102424591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51212250 + 51212251.

It is an arithmetic number, because the mean of its divisors is an integer number (51212251).

Almost surely, 2^102424501 is an apocalyptic number.

It is an amenable number.

102424501 is a deficient number, since it is larger than the sum of its proper divisors (1).

102424501 is an equidigital number, since it uses as much as digits as its factorization.

102424501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 102424501 is about 10120.4990489600. The cubic root of 102424501 is about 467.8801483461.

Adding to 102424501 its reverse (105424201), we get a palindrome (207848702).

The spelling of 102424501 in words is "one hundred two million, four hundred twenty-four thousand, five hundred one".