110730161 has 2 divisors, whose sum is σ = 110730162. Its totient is φ = 110730160.

The previous prime is 110730143. The next prime is 110730173. The reversal of 110730161 is 161037011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65302561 + 45427600 = 8081^2 + 6740^2 .

It is a cyclic number.

It is not a de Polignac number, because 110730161 - 2²² = 106535857 is a prime.

It is a super-2 number, since 2×110730161² = 24522337110171842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110730131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55365080 + 55365081.

It is an arithmetic number, because the mean of its divisors is an integer number (55365081).

Almost surely, 2^110730161 is an apocalyptic number.

It is an amenable number.

110730161 is a deficient number, since it is larger than the sum of its proper divisors (1).

110730161 is an equidigital number, since it uses as much as digits as its factorization.

110730161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 110730161 is about 10522.8399683736. The cubic root of 110730161 is about 480.1998025256.

Adding to 110730161 its reverse (161037011), we get a palindrome (271767172).

The spelling of 110730161 in words is "one hundred ten million, seven hundred thirty thousand, one hundred sixty-one".