181560122 has 8 divisors (see below), whose sum is σ = 272544372. Its totient is φ = 90712000.

The previous prime is 181560121. The next prime is 181560157. The reversal of 181560122 is 221065181.

181560122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 166435801 + 15124321 = 12901^2 + 3889^2 .

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 = 181560091 and 181560100.

It is not an unprimeable number, because it can be changed into a prime (181560121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30629 + ... + 36072.

Almost surely, 2^181560122 is an apocalyptic number.

181560122 is a deficient number, since it is larger than the sum of its proper divisors (90984250).

181560122 is a wasteful number, since it uses less digits than its factorization.

181560122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68064.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 181560122 is about 13474.4247372569. The cubic root of 181560122 is about 566.2481836833.

The spelling of 181560122 in words is "one hundred eighty-one million, five hundred sixty thousand, one hundred twenty-two".