120207161 has 2 divisors, whose sum is σ = 120207162. Its totient is φ = 120207160.

The previous prime is 120207137. The next prime is 120207173. The reversal of 120207161 is 161702021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115691536 + 4515625 = 10756^2 + 2125^2 .

It is a cyclic number.

It is not a de Polignac number, because 120207161 - 2⁶ = 120207097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120207961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60103580 + 60103581.

It is an arithmetic number, because the mean of its divisors is an integer number (60103581).

Almost surely, 2^120207161 is an apocalyptic number.

It is an amenable number.

120207161 is a deficient number, since it is larger than the sum of its proper divisors (1).

120207161 is an equidigital number, since it uses as much as digits as its factorization.

120207161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 120207161 is about 10963.9026354670. The cubic root of 120207161 is about 493.5260866680.

Adding to 120207161 its reverse (161702021), we get a palindrome (281909182).

The spelling of 120207161 in words is "one hundred twenty million, two hundred seven thousand, one hundred sixty-one".