180122956 has 48 divisors (see below), whose sum is σ = 369212256. Its totient is φ = 76114944.

The previous prime is 180122951. The next prime is 180122977. The reversal of 180122956 is 659221081.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (180122951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29955 + ... + 35461.

It is an arithmetic number, because the mean of its divisors is an integer number (7691922).

Almost surely, 2^180122956 is an apocalyptic number.

It is an amenable number.

180122956 is an abundant number, since it is smaller than the sum of its proper divisors (189089300).

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

180122956 is a wasteful number, since it uses less digits than its factorization.

180122956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5578 (or 5576 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 180122956 is about 13420.9893823071. The cubic root of 180122956 is about 564.7501503176.

The spelling of 180122956 in words is "one hundred eighty million, one hundred twenty-two thousand, nine hundred fifty-six".