180427201 has 2 divisors, whose sum is σ = 180427202. Its totient is φ = 180427200.

The previous prime is 180427199. The next prime is 180427237. The reversal of 180427201 is 102724081.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117700801 + 62726400 = 10849^2 + 7920^2 .

It is a cyclic number.

It is not a de Polignac number, because 180427201 - 2¹ = 180427199 is a prime.

Together with 180427199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (180427601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90213600 + 90213601.

It is an arithmetic number, because the mean of its divisors is an integer number (90213601).

Almost surely, 2^180427201 is an apocalyptic number.

It is an amenable number.

180427201 is a deficient number, since it is larger than the sum of its proper divisors (1).

180427201 is an equidigital number, since it uses as much as digits as its factorization.

180427201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 180427201 is about 13432.3192710715. The cubic root of 180427201 is about 565.0679439005.

The spelling of 180427201 in words is "one hundred eighty million, four hundred twenty-seven thousand, two hundred one".