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101287 is a prime number
BaseRepresentation
bin11000101110100111
312010221101
4120232213
511220122
62100531
7601204
oct305647
9163841
10101287
116a10a
124a747
1337144
1428cab
1520027
hex18ba7

101287 has 2 divisors, whose sum is σ = 101288. Its totient is φ = 101286.

The previous prime is 101281. The next prime is 101293. The reversal of 101287 is 782101.

It is a balanced prime because it is at equal distance from previous prime (101281) and next prime (101293).

It is a cyclic number.

It is not a de Polignac number, because 101287 - 23 = 101279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50643 + 50644.

It is an arithmetic number, because the mean of its divisors is an integer number (50644).

2101287 is an apocalyptic number.

101287 is a deficient number, since it is larger than the sum of its proper divisors (1).

101287 is an equidigital number, since it uses as much as digits as its factorization.

101287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 101287 is about 318.2561861143. The cubic root of 101287 is about 46.6141643104.

Adding to 101287 its reverse (782101), we get a palindrome (883388).

The spelling of 101287 in words is "one hundred one thousand, two hundred eighty-seven".