3050120561 has 4 divisors (see below), whose sum is σ = 3065448000. Its totient is φ = 3034793124.

The previous prime is 3050120543. The next prime is 3050120573. The reversal of 3050120561 is 1650210503.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1650210503 = 2663 ⋅619681.

It is a cyclic number.

It is not a de Polignac number, because 3050120561 - 2⁶ = 3050120497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3050120761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7663421 + ... + 7663818.

It is an arithmetic number, because the mean of its divisors is an integer number (766362000).

Almost surely, 2^3050120561 is an apocalyptic number.

It is an amenable number.

3050120561 is a deficient number, since it is larger than the sum of its proper divisors (15327439).

3050120561 is a wasteful number, since it uses less digits than its factorization.

3050120561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15327438.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 3050120561 is about 55227.8965831580. The cubic root of 3050120561 is about 1450.2370696010.

The spelling of 3050120561 in words is "three billion, fifty million, one hundred twenty thousand, five hundred sixty-one".