109705081 has 2 divisors, whose sum is σ = 109705082. Its totient is φ = 109705080.

The previous prime is 109705061. The next prime is 109705093. The reversal of 109705081 is 180507901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93026025 + 16679056 = 9645^2 + 4084^2 .

It is a cyclic number.

It is not a de Polignac number, because 109705081 - 2⁷ = 109704953 is a prime.

It is a super-2 number, since 2×109705081² = 24070409594433122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (109705051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54852540 + 54852541.

It is an arithmetic number, because the mean of its divisors is an integer number (54852541).

Almost surely, 2^109705081 is an apocalyptic number.

It is an amenable number.

109705081 is a deficient number, since it is larger than the sum of its proper divisors (1).

109705081 is an equidigital number, since it uses as much as digits as its factorization.

109705081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 109705081 is about 10474.0193335701. The cubic root of 109705081 is about 478.7133961612.

The spelling of 109705081 in words is "one hundred nine million, seven hundred five thousand, eighty-one".