180811122 has 16 divisors (see below), whose sum is σ = 363644640. Its totient is φ = 59933312.

The previous prime is 180811121. The next prime is 180811159. The reversal of 180811122 is 221118081.

It is a junction number, because it is equal to n+sod(n) for n = 180811092 and 180811101.

It is not an unprimeable number, because it can be changed into a prime (180811121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83103 + ... + 85250.

It is an arithmetic number, because the mean of its divisors is an integer number (22727790).

Almost surely, 2^180811122 is an apocalyptic number.

180811122 is an abundant number, since it is smaller than the sum of its proper divisors (182833518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180811122 is a wasteful number, since it uses less digits than its factorization.

180811122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168537.

The product of its (nonzero) digits is 256, while the sum is 24.

The square root of 180811122 is about 13446.6026192492. The cubic root of 180811122 is about 565.4684521720.

The spelling of 180811122 in words is "one hundred eighty million, eight hundred eleven thousand, one hundred twenty-two".