120447161 has 2 divisors, whose sum is σ = 120447162. Its totient is φ = 120447160.

The previous prime is 120447133. The next prime is 120447191. The reversal of 120447161 is 161744021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119486761 + 960400 = 10931^2 + 980^2 .

It is an emirp because it is prime and its reverse (161744021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120447161 - 2¹⁴ = 120430777 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120447161.

It is not a weakly prime, because it can be changed into another prime (120447191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60223580 + 60223581.

It is an arithmetic number, because the mean of its divisors is an integer number (60223581).

Almost surely, 2^120447161 is an apocalyptic number.

It is an amenable number.

120447161 is a deficient number, since it is larger than the sum of its proper divisors (1).

120447161 is an equidigital number, since it uses as much as digits as its factorization.

120447161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 120447161 is about 10974.8421856535. The cubic root of 120447161 is about 493.8543186942.

The spelling of 120447161 in words is "one hundred twenty million, four hundred forty-seven thousand, one hundred sixty-one".