102502087 has 2 divisors, whose sum is σ = 102502088. Its totient is φ = 102502086.

The previous prime is 102502033. The next prime is 102502109. The reversal of 102502087 is 780205201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102502087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102502787) 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, 51251043 + 51251044.

It is an arithmetic number, because the mean of its divisors is an integer number (51251044).

Almost surely, 2^102502087 is an apocalyptic number.

102502087 is a deficient number, since it is larger than the sum of its proper divisors (1).

102502087 is an equidigital number, since it uses as much as digits as its factorization.

102502087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 102502087 is about 10124.3314347171. The cubic root of 102502087 is about 467.9982574143.

Adding to 102502087 its reverse (780205201), we get a palindrome (882707288).

The spelling of 102502087 in words is "one hundred two million, five hundred two thousand, eighty-seven".