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130087 is a prime number
BaseRepresentation
bin11111110000100111
320121110001
4133300213
513130322
62442131
71051156
oct376047
9217401
10130087
1189811
1263347
1347299
143559d
1528827
hex1fc27

130087 has 2 divisors, whose sum is σ = 130088. Its totient is φ = 130086.

The previous prime is 130079. The next prime is 130099. The reversal of 130087 is 780031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130087 - 23 = 130079 is a prime.

It is equal to p12169 and since 130087 and 12169 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130027) 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, 65043 + 65044.

It is an arithmetic number, because the mean of its divisors is an integer number (65044).

2130087 is an apocalyptic number.

130087 is a deficient number, since it is larger than the sum of its proper divisors (1).

130087 is an equidigital number, since it uses as much as digits as its factorization.

130087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 130087 is about 360.6757546606. The cubic root of 130087 is about 50.6692682952.

The spelling of 130087 in words is "one hundred thirty thousand, eighty-seven".