120042065 has 16 divisors (see below), whose sum is σ = 169235136. Its totient is φ = 80587200.

The previous prime is 120042017. The next prime is 120042079. The reversal of 120042065 is 560240021.

It is a happy number.

It is not a de Polignac number, because 120042065 - 2¹⁶ = 119976529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83231 + ... + 84660.

It is an arithmetic number, because the mean of its divisors is an integer number (10577196).

Almost surely, 2^120042065 is an apocalyptic number.

It is an amenable number.

120042065 is a deficient number, since it is larger than the sum of its proper divisors (49193071).

120042065 is a wasteful number, since it uses less digits than its factorization.

120042065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167920.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 120042065 is about 10956.3709776550. The cubic root of 120042065 is about 493.3000421391.

Adding to 120042065 its reverse (560240021), we get a palindrome (680282086).

The spelling of 120042065 in words is "one hundred twenty million, forty-two thousand, sixty-five".