120739169 has 2 divisors, whose sum is σ = 120739170. Its totient is φ = 120739168.

The previous prime is 120739057. The next prime is 120739181. The reversal of 120739169 is 961937021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120736144 + 3025 = 10988^2 + 55^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120739169 is a prime.

It is a super-2 number, since 2×120739169² = 29155893861621122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120739189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60369584 + 60369585.

It is an arithmetic number, because the mean of its divisors is an integer number (60369585).

Almost surely, 2^120739169 is an apocalyptic number.

It is an amenable number.

120739169 is a deficient number, since it is larger than the sum of its proper divisors (1).

120739169 is an equidigital number, since it uses as much as digits as its factorization.

120739169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 120739169 is about 10988.1376493016. The cubic root of 120739169 is about 494.2530911479.

The spelling of 120739169 in words is "one hundred twenty million, seven hundred thirty-nine thousand, one hundred sixty-nine".