110872981 has 2 divisors, whose sum is σ = 110872982. Its totient is φ = 110872980.

The previous prime is 110872943. The next prime is 110872987. The reversal of 110872981 is 189278011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100180081 + 10692900 = 10009^2 + 3270^2 .

It is a cyclic number.

It is not a de Polignac number, because 110872981 - 2¹⁷ = 110741909 is a prime.

It is a super-2 number, since 2×110872981² = 24585635831652722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 110872981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110872987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55436490 + 55436491.

It is an arithmetic number, because the mean of its divisors is an integer number (55436491).

Almost surely, 2^110872981 is an apocalyptic number.

It is an amenable number.

110872981 is a deficient number, since it is larger than the sum of its proper divisors (1).

110872981 is an equidigital number, since it uses as much as digits as its factorization.

110872981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 37.

The square root of 110872981 is about 10529.6239723933. The cubic root of 110872981 is about 480.4061680738.

The spelling of 110872981 in words is "one hundred ten million, eight hundred seventy-two thousand, nine hundred eighty-one".