110321987 has 2 divisors, whose sum is σ = 110321988. Its totient is φ = 110321986.

The previous prime is 110321971. The next prime is 110322073. The reversal of 110321987 is 789123011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 110321987 - 2⁴ = 110321971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (110321957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55160993 + 55160994.

It is an arithmetic number, because the mean of its divisors is an integer number (55160994).

Almost surely, 2^110321987 is an apocalyptic number.

110321987 is a deficient number, since it is larger than the sum of its proper divisors (1).

110321987 is an equidigital number, since it uses as much as digits as its factorization.

110321987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 110321987 is about 10503.4273929989. The cubic root of 110321987 is about 479.6090378381.

Adding to 110321987 its reverse (789123011), we get a palindrome (899444998).

The spelling of 110321987 in words is "one hundred ten million, three hundred twenty-one thousand, nine hundred eighty-seven".