110009987 has 2 divisors, whose sum is σ = 110009988. Its totient is φ = 110009986.

The previous prime is 110009969. The next prime is 110010013. The reversal of 110009987 is 789900011.

It is a weak prime.

It is an emirp because it is prime and its reverse (789900011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110009987 - 2¹² = 110005891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (110009947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55004993 + 55004994.

It is an arithmetic number, because the mean of its divisors is an integer number (55004994).

Almost surely, 2^110009987 is an apocalyptic number.

110009987 is a deficient number, since it is larger than the sum of its proper divisors (1).

110009987 is an equidigital number, since it uses as much as digits as its factorization.

110009987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 110009987 is about 10488.5645824393. The cubic root of 110009987 is about 479.1564858463.

Adding to 110009987 its reverse (789900011), we get a palindrome (899909998).

The spelling of 110009987 in words is "one hundred ten million, nine thousand, nine hundred eighty-seven".