120712169 has 2 divisors, whose sum is σ = 120712170. Its totient is φ = 120712168.

The previous prime is 120712153. The next prime is 120712183. The reversal of 120712169 is 961217021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92409769 + 28302400 = 9613^2 + 5320^2 .

It is an emirp because it is prime and its reverse (961217021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120712169 - 2⁴ = 120712153 is a prime.

It is a super-2 number, since 2×120712169² = 29142855489369122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120712199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60356084 + 60356085.

It is an arithmetic number, because the mean of its divisors is an integer number (60356085).

Almost surely, 2^120712169 is an apocalyptic number.

It is an amenable number.

120712169 is a deficient number, since it is larger than the sum of its proper divisors (1).

120712169 is an equidigital number, since it uses as much as digits as its factorization.

120712169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 120712169 is about 10986.9089829670. The cubic root of 120712169 is about 494.2162463569.

The spelling of 120712169 in words is "one hundred twenty million, seven hundred twelve thousand, one hundred sixty-nine".