561120928 has 24 divisors (see below), whose sum is σ = 1115438688. Its totient is φ = 277834944.

The previous prime is 561120877. The next prime is 561120943. The reversal of 561120928 is 829021165.

It is a junction number, because it is equal to n+sod(n) for n = 561120893 and 561120902.

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, 81826 + ... + 88417.

It is an arithmetic number, because the mean of its divisors is an integer number (46476612).

Almost surely, 2^561120928 is an apocalyptic number.

It is an amenable number.

561120928 is a deficient number, since it is larger than the sum of its proper divisors (554317760).

561120928 is a wasteful number, since it uses less digits than its factorization.

561120928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170356 (or 170348 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 561120928 is about 23687.9912191811. The cubic root of 561120928 is about 824.8066534360.

The spelling of 561120928 in words is "five hundred sixty-one million, one hundred twenty thousand, nine hundred twenty-eight".