102687287 has 2 divisors, whose sum is σ = 102687288. Its totient is φ = 102687286.

The previous prime is 102687269. The next prime is 102687301. The reversal of 102687287 is 782786201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102687287 - 2⁸ = 102687031 is a prime.

It is a super-2 number, since 2×102687287² = 21089357822840738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102687227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51343643 + 51343644.

It is an arithmetic number, because the mean of its divisors is an integer number (51343644).

Almost surely, 2^102687287 is an apocalyptic number.

102687287 is a deficient number, since it is larger than the sum of its proper divisors (1).

102687287 is an equidigital number, since it uses as much as digits as its factorization.

102687287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 102687287 is about 10133.4735900381. The cubic root of 102687287 is about 468.2799464086.

The spelling of 102687287 in words is "one hundred two million, six hundred eighty-seven thousand, two hundred eighty-seven".