120165449 has 2 divisors, whose sum is σ = 120165450. Its totient is φ = 120165448.

The previous prime is 120165439. The next prime is 120165499. The reversal of 120165449 is 944561021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63313849 + 56851600 = 7957^2 + 7540^2 .

It is a cyclic number.

It is not a de Polignac number, because 120165449 - 2⁴ = 120165433 is a prime.

It is not a weakly prime, because it can be changed into another prime (120165439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60082724 + 60082725.

It is an arithmetic number, because the mean of its divisors is an integer number (60082725).

Almost surely, 2^120165449 is an apocalyptic number.

It is an amenable number.

120165449 is a deficient number, since it is larger than the sum of its proper divisors (1).

120165449 is an equidigital number, since it uses as much as digits as its factorization.

120165449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 120165449 is about 10962.0002280606. Note that the first 3 decimals coincide. The cubic root of 120165449 is about 493.4689953890.

The spelling of 120165449 in words is "one hundred twenty million, one hundred sixty-five thousand, four hundred forty-nine".