102897287 has 2 divisors, whose sum is σ = 102897288. Its totient is φ = 102897286.

The previous prime is 102897283. The next prime is 102897313. The reversal of 102897287 is 782798201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102897287 - 2² = 102897283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102897281) 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, 51448643 + 51448644.

It is an arithmetic number, because the mean of its divisors is an integer number (51448644).

Almost surely, 2^102897287 is an apocalyptic number.

102897287 is a deficient number, since it is larger than the sum of its proper divisors (1).

102897287 is an equidigital number, since it uses as much as digits as its factorization.

102897287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 102897287 is about 10143.8299966038. The cubic root of 102897287 is about 468.5989467184.

It can be divided in two parts, 10289 and 7287, that added together give a cube (17576 = 26³).

The spelling of 102897287 in words is "one hundred two million, eight hundred ninety-seven thousand, two hundred eighty-seven".