3120620 has 24 divisors (see below), whose sum is σ = 6586944. Its totient is φ = 1241856.

The previous prime is 3120619. The next prime is 3120629. The reversal of 3120620 is 260213.

It is a junction number, because it is equal to n+sod(n) for n = 3120595 and 3120604.

It is not an unprimeable number, because it can be changed into a prime (3120629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6509 + ... + 6971.

It is an arithmetic number, because the mean of its divisors is an integer number (274456).

Almost surely, 2^3120620 is an apocalyptic number.

It is an amenable number.

3120620 is an abundant number, since it is smaller than the sum of its proper divisors (3466324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3120620 is a wasteful number, since it uses less digits than its factorization.

3120620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3120620 is about 1766.5276674878. The cubic root of 3120620 is about 146.1325499193.

Adding to 3120620 its reverse (260213), we get a palindrome (3380833).

The spelling of 3120620 in words is "three million, one hundred twenty thousand, six hundred twenty".