119550161 has 2 divisors, whose sum is σ = 119550162. Its totient is φ = 119550160.

The previous prime is 119550149. The next prime is 119550163. The reversal of 119550161 is 161055911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91087936 + 28462225 = 9544^2 + 5335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-119550161 is a prime.

Together with 119550163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (119550163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59775080 + 59775081.

It is an arithmetic number, because the mean of its divisors is an integer number (59775081).

Almost surely, 2^119550161 is an apocalyptic number.

It is an amenable number.

119550161 is a deficient number, since it is larger than the sum of its proper divisors (1).

119550161 is an equidigital number, since it uses as much as digits as its factorization.

119550161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 29.

The square root of 119550161 is about 10933.8996245621. The cubic root of 119550161 is about 492.6253106887.

The spelling of 119550161 in words is "one hundred nineteen million, five hundred fifty thousand, one hundred sixty-one".