180201087 has 12 divisors (see below), whose sum is σ = 283953384. Its totient is φ = 109212720.

The previous prime is 180201083. The next prime is 180201097. The reversal of 180201087 is 780102081.

It is not a de Polignac number, because 180201087 - 2² = 180201083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 180201087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180201083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 910008 + ... + 910205.

It is an arithmetic number, because the mean of its divisors is an integer number (23662782).

Almost surely, 2^180201087 is an apocalyptic number.

180201087 is a deficient number, since it is larger than the sum of its proper divisors (103752297).

180201087 is a wasteful number, since it uses less digits than its factorization.

180201087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820230 (or 1820227 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 180201087 is about 13423.8998431901. The cubic root of 180201087 is about 564.8317947614.

The spelling of 180201087 in words is "one hundred eighty million, two hundred one thousand, eighty-seven".