102424187 has 2 divisors, whose sum is σ = 102424188. Its totient is φ = 102424186.

The previous prime is 102424181. The next prime is 102424199. The reversal of 102424187 is 781424201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102424187 is a prime.

It is a super-2 number, since 2×102424187² = 20981428165221938, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102424181) 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, 51212093 + 51212094.

It is an arithmetic number, because the mean of its divisors is an integer number (51212094).

Almost surely, 2^102424187 is an apocalyptic number.

102424187 is a deficient number, since it is larger than the sum of its proper divisors (1).

102424187 is an equidigital number, since it uses as much as digits as its factorization.

102424187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 102424187 is about 10120.4835358791. The cubic root of 102424187 is about 467.8796702232.

Adding to 102424187 its reverse (781424201), we get a palindrome (883848388).

The spelling of 102424187 in words is "one hundred two million, four hundred twenty-four thousand, one hundred eighty-seven".