10102387 has 2 divisors, whose sum is σ = 10102388. Its totient is φ = 10102386.

The previous prime is 10102363. The next prime is 10102423. The reversal of 10102387 is 78320101.

10102387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (78320101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10102387 - 2²³ = 1713779 is a prime.

It is not a weakly prime, because it can be changed into another prime (10102307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051193 + 5051194.

It is an arithmetic number, because the mean of its divisors is an integer number (5051194).

Almost surely, 2^10102387 is an apocalyptic number.

10102387 is a deficient number, since it is larger than the sum of its proper divisors (1).

10102387 is an equidigital number, since it uses as much as digits as its factorization.

10102387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 10102387 is about 3178.4252390138. The cubic root of 10102387 is about 216.1762607350.

Adding to 10102387 its reverse (78320101), we get a palindrome (88422488).

The spelling of 10102387 in words is "ten million, one hundred two thousand, three hundred eighty-seven".