120123065 has 4 divisors (see below), whose sum is σ = 144147684. Its totient is φ = 96098448.

The previous prime is 120123061. The next prime is 120123079. The reversal of 120123065 is 560321021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25080064 + 95043001 = 5008^2 + 9749^2 .

It is a cyclic number.

It is not a de Polignac number, because 120123065 - 2² = 120123061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120123061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12012302 + ... + 12012311.

It is an arithmetic number, because the mean of its divisors is an integer number (36036921).

Almost surely, 2^120123065 is an apocalyptic number.

It is an amenable number.

120123065 is a deficient number, since it is larger than the sum of its proper divisors (24024619).

120123065 is an equidigital number, since it uses as much as digits as its factorization.

120123065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24024618.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 120123065 is about 10960.0668337378. The cubic root of 120123065 is about 493.4109708082.

Adding to 120123065 its reverse (560321021), we get a palindrome (680444086).

The spelling of 120123065 in words is "one hundred twenty million, one hundred twenty-three thousand, sixty-five".