120545065 has 4 divisors (see below), whose sum is σ = 144654084. Its totient is φ = 96436048.

The previous prime is 120545059. The next prime is 120545069. The reversal of 120545065 is 560545021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560545021 = 21751 ⋅25771.

It can be written as a sum of positive squares in 2 ways, for example, as 60652944 + 59892121 = 7788^2 + 7739^2 .

It is a cyclic number.

It is not a de Polignac number, because 120545065 - 2³ = 120545057 is a prime.

It is a super-3 number, since 3×120545065³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120545069) 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 in 3 ways as a sum of consecutive naturals, for example, 12054502 + ... + 12054511.

It is an arithmetic number, because the mean of its divisors is an integer number (36163521).

Almost surely, 2^120545065 is an apocalyptic number.

It is an amenable number.

120545065 is a deficient number, since it is larger than the sum of its proper divisors (24109019).

120545065 is an equidigital number, since it uses as much as digits as its factorization.

120545065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24109018.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 120545065 is about 10979.3016626742. The cubic root of 120545065 is about 493.9880902678.

The spelling of 120545065 in words is "one hundred twenty million, five hundred forty-five thousand, sixty-five".