110987321 has 4 divisors (see below), whose sum is σ = 114814500. Its totient is φ = 107160144.

The previous prime is 110987297. The next prime is 110987329. The reversal of 110987321 is 123789011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 89038096 + 21949225 = 9436^2 + 4685^2 .

It is a cyclic number.

It is not a de Polignac number, because 110987321 - 2¹⁸ = 110725177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110987329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1913546 + ... + 1913603.

It is an arithmetic number, because the mean of its divisors is an integer number (28703625).

Almost surely, 2^110987321 is an apocalyptic number.

It is an amenable number.

110987321 is a deficient number, since it is larger than the sum of its proper divisors (3827179).

110987321 is an equidigital number, since it uses as much as digits as its factorization.

110987321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827178.

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

The square root of 110987321 is about 10535.0520169575. The cubic root of 110987321 is about 480.5712541904.

The spelling of 110987321 in words is "one hundred ten million, nine hundred eighty-seven thousand, three hundred twenty-one".