119205161 has 2 divisors, whose sum is σ = 119205162. Its totient is φ = 119205160.

The previous prime is 119205133. The next prime is 119205187. The reversal of 119205161 is 161502911.

It is an a-pointer prime, because the next prime (119205187) can be obtained adding 119205161 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90250000 + 28955161 = 9500^2 + 5381^2 .

It is a cyclic number.

It is not a de Polignac number, because 119205161 - 2¹⁸ = 118943017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 119205161.

It is not a weakly prime, because it can be changed into another prime (119207161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59602580 + 59602581.

It is an arithmetic number, because the mean of its divisors is an integer number (59602581).

Almost surely, 2^119205161 is an apocalyptic number.

It is an amenable number.

119205161 is a deficient number, since it is larger than the sum of its proper divisors (1).

119205161 is an equidigital number, since it uses as much as digits as its factorization.

119205161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 26.

The square root of 119205161 is about 10918.1116041191. Note that the first 3 decimals coincide. The cubic root of 119205161 is about 492.1509784628.

The spelling of 119205161 in words is "one hundred nineteen million, two hundred five thousand, one hundred sixty-one".