122559361 has 4 divisors (see below), whose sum is σ = 122613424. Its totient is φ = 122505300.

The previous prime is 122559323. The next prime is 122559383. The reversal of 122559361 is 163955221.

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: 163955221 = 727 ⋅225523.

It is a cyclic number.

It is not a de Polignac number, because 122559361 - 2⁷ = 122559233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122559961) 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, 23475 + ... + 28216.

It is an arithmetic number, because the mean of its divisors is an integer number (30653356).

Almost surely, 2^122559361 is an apocalyptic number.

It is an amenable number.

122559361 is a deficient number, since it is larger than the sum of its proper divisors (54063).

122559361 is an equidigital number, since it uses as much as digits as its factorization.

122559361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54062.

The product of its digits is 16200, while the sum is 34.

The square root of 122559361 is about 11070.6531424302. The cubic root of 122559361 is about 496.7244024489.

The spelling of 122559361 in words is "one hundred twenty-two million, five hundred fifty-nine thousand, three hundred sixty-one".