10287871 has 4 divisors (see below), whose sum is σ = 11223144. Its totient is φ = 9352600.

The previous prime is 10287869. The next prime is 10287881. The reversal of 10287871 is 17878201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10287871 - 2¹ = 10287869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10287821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467620 + ... + 467641.

It is an arithmetic number, because the mean of its divisors is an integer number (2805786).

Almost surely, 2^10287871 is an apocalyptic number.

10287871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10287871 is a deficient number, since it is larger than the sum of its proper divisors (935273).

10287871 is an equidigital number, since it uses as much as digits as its factorization.

10287871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935272.

The product of its (nonzero) digits is 6272, while the sum is 34.

The square root of 10287871 is about 3207.4711222395. The cubic root of 10287871 is about 217.4912737064.

The spelling of 10287871 in words is "ten million, two hundred eighty-seven thousand, eight hundred seventy-one".