3120669 has 12 divisors (see below), whose sum is σ = 4527900. Its totient is φ = 2071104.

The previous prime is 3120653. The next prime is 3120671. The reversal of 3120669 is 9660213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1265625 + 1855044 = 1125^2 + 1362^2 .

It is not a de Polignac number, because 3120669 - 2⁴ = 3120653 is a prime.

It is a super-2 number, since 2×3120669² = 19477150015122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1777 + ... + 3065.

It is an arithmetic number, because the mean of its divisors is an integer number (377325).

Almost surely, 2^3120669 is an apocalyptic number.

It is an amenable number.

3120669 is a deficient number, since it is larger than the sum of its proper divisors (1407231).

3120669 is a wasteful number, since it uses less digits than its factorization.

3120669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3120669 is about 1766.5415364491. The cubic root of 3120669 is about 146.1333147734.

The spelling of 3120669 in words is "three million, one hundred twenty thousand, six hundred sixty-nine".