3120965 has 8 divisors (see below), whose sum is σ = 3755160. Its totient is φ = 2490112.

The previous prime is 3120937. The next prime is 3120973. The reversal of 3120965 is 5690213.

It can be written as a sum of positive squares in 4 ways, for example, as 2209 + 3118756 = 47^2 + 1766^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3120965 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2297 + ... + 3393.

It is an arithmetic number, because the mean of its divisors is an integer number (469395).

Almost surely, 2^3120965 is an apocalyptic number.

It is an amenable number.

3120965 is a deficient number, since it is larger than the sum of its proper divisors (634195).

3120965 is a wasteful number, since it uses less digits than its factorization.

3120965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 3120965 is about 1766.6253139814. The cubic root of 3120965 is about 146.1379349466.

The spelling of 3120965 in words is "three million, one hundred twenty thousand, nine hundred sixty-five".