3120620285 has 4 divisors (see below), whose sum is σ = 3744744348. Its totient is φ = 2496496224.

The previous prime is 3120620273. The next prime is 3120620357. The reversal of 3120620285 is 5820260213.

3120620285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5820260213 = 48677 ⋅119569.

It can be written as a sum of positive squares in 2 ways, for example, as 2283501796 + 837118489 = 47786^2 + 28933^2 .

It is a cyclic number.

It is not a de Polignac number, because 3120620285 - 2⁶ = 3120620221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312062024 + ... + 312062033.

It is an arithmetic number, because the mean of its divisors is an integer number (936186087).

Almost surely, 2^3120620285 is an apocalyptic number.

It is an amenable number.

3120620285 is a deficient number, since it is larger than the sum of its proper divisors (624124063).

3120620285 is an equidigital number, since it uses as much as digits as its factorization.

3120620285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624124062.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 3120620285 is about 55862.5123405670. The cubic root of 3120620285 is about 1461.3255436795.

Adding to 3120620285 its reverse (5820260213), we get a palindrome (8940880498).

The spelling of 3120620285 in words is "three billion, one hundred twenty million, six hundred twenty thousand, two hundred eighty-five".