3120065 has 16 divisors (see below), whose sum is σ = 4209408. Its totient is φ = 2202816.

The previous prime is 3120017. The next prime is 3120067. The reversal of 3120065 is 5600213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3120065 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3120067) 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 in 15 ways as a sum of consecutive naturals, for example, 452 + ... + 2538.

It is an arithmetic number, because the mean of its divisors is an integer number (263088).

Almost surely, 2^3120065 is an apocalyptic number.

It is an amenable number.

3120065 is a deficient number, since it is larger than the sum of its proper divisors (1089343).

3120065 is a wasteful number, since it uses less digits than its factorization.

3120065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 3120065 is about 1766.3705726715. The cubic root of 3120065 is about 146.1238862164.

Adding to 3120065 its reverse (5600213), we get a palindrome (8720278).

The spelling of 3120065 in words is "three million, one hundred twenty thousand, sixty-five".