561230122 has 8 divisors (see below), whose sum is σ = 842099076. Its totient is φ = 280530432.

The previous prime is 561230119. The next prime is 561230161. The reversal of 561230122 is 221032165.

It can be written as a sum of positive squares in 2 ways, for example, as 449906521 + 111323601 = 21211^2 + 10551^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 561230093 and 561230102.

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, 33673 + ... + 47500.

Almost surely, 2^561230122 is an apocalyptic number.

561230122 is a deficient number, since it is larger than the sum of its proper divisors (280868954).

561230122 is a wasteful number, since it uses less digits than its factorization.

561230122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84632.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 561230122 is about 23690.2959458087. The cubic root of 561230122 is about 824.8601523591.

Adding to 561230122 its reverse (221032165), we get a palindrome (782262287).

The spelling of 561230122 in words is "five hundred sixty-one million, two hundred thirty thousand, one hundred twenty-two".