101002387 has 2 divisors, whose sum is σ = 101002388. Its totient is φ = 101002386.

The previous prime is 101002381. The next prime is 101002403. The reversal of 101002387 is 783200101.

It is a weak prime.

It is an emirp because it is prime and its reverse (783200101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101002387 - 2²³ = 92613779 is a prime.

It is not a weakly prime, because it can be changed into another prime (101002381) 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, 50501193 + 50501194.

It is an arithmetic number, because the mean of its divisors is an integer number (50501194).

Almost surely, 2^101002387 is an apocalyptic number.

101002387 is a deficient number, since it is larger than the sum of its proper divisors (1).

101002387 is an equidigital number, since it uses as much as digits as its factorization.

101002387 is an odious number, because the sum of its binary digits is odd.

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

The square root of 101002387 is about 10049.9943781079. The cubic root of 101002387 is about 465.7046194913.

Adding to 101002387 its reverse (783200101), we get a palindrome (884202488).

The spelling of 101002387 in words is "one hundred one million, two thousand, three hundred eighty-seven".