110020987 has 2 divisors, whose sum is σ = 110020988. Its totient is φ = 110020986.

The previous prime is 110020979. The next prime is 110020993. The reversal of 110020987 is 789020011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 110020987 - 2³ = 110020979 is a prime.

It is not a weakly prime, because it can be changed into another prime (110020927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55010493 + 55010494.

It is an arithmetic number, because the mean of its divisors is an integer number (55010494).

Almost surely, 2^110020987 is an apocalyptic number.

110020987 is a deficient number, since it is larger than the sum of its proper divisors (1).

110020987 is an equidigital number, since it uses as much as digits as its factorization.

110020987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 110020987 is about 10489.0889499518. The cubic root of 110020987 is about 479.1724557469.

Adding to 110020987 its reverse (789020011), we get a palindrome (899040998).

The spelling of 110020987 in words is "one hundred ten million, twenty thousand, nine hundred eighty-seven".