122560559 has 4 divisors (see below), whose sum is σ = 133702440. Its totient is φ = 111418680.

The previous prime is 122560549. The next prime is 122560601. The reversal of 122560559 is 955065221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122560559 - 2⁸ = 122560303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122560519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5570924 + ... + 5570945.

It is an arithmetic number, because the mean of its divisors is an integer number (33425610).

Almost surely, 2^122560559 is an apocalyptic number.

122560559 is a deficient number, since it is larger than the sum of its proper divisors (11141881).

122560559 is a wasteful number, since it uses less digits than its factorization.

122560559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11141880.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 122560559 is about 11070.7072493134. The cubic root of 122560559 is about 496.7260209133.

The spelling of 122560559 in words is "one hundred twenty-two million, five hundred sixty thousand, five hundred fifty-nine".