3120642 has 24 divisors (see below), whose sum is σ = 7727616. Its totient is φ = 891576.

The previous prime is 3120629. The next prime is 3120643. The reversal of 3120642 is 2460213.

It is a happy number.

3120642 is a `hidden beast` number, since 3 + 1 + 20 + 642 = 666.

3120642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3120643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12258 + ... + 12509.

It is an arithmetic number, because the mean of its divisors is an integer number (321984).

Almost surely, 2^3120642 is an apocalyptic number.

3120642 is an abundant number, since it is smaller than the sum of its proper divisors (4606974).

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

3120642 is a wasteful number, since it uses less digits than its factorization.

3120642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24782 (or 24779 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3120642 is about 1766.5338943819. The cubic root of 3120642 is about 146.1328933242.

Adding to 3120642 its reverse (2460213), we get a palindrome (5580855).

The spelling of 3120642 in words is "three million, one hundred twenty thousand, six hundred forty-two".