9187201 has 2 divisors, whose sum is σ = 9187202. Its totient is φ = 9187200.

The previous prime is 9187183. The next prime is 9187207. The reversal of 9187201 is 1027819.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8856576 + 330625 = 2976^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 9187201 - 2¹¹ = 9185153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9187201.

It is not a weakly prime, because it can be changed into another prime (9187207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4593600 + 4593601.

It is an arithmetic number, because the mean of its divisors is an integer number (4593601).

Almost surely, 2^9187201 is an apocalyptic number.

It is an amenable number.

9187201 is a deficient number, since it is larger than the sum of its proper divisors (1).

9187201 is an equidigital number, since it uses as much as digits as its factorization.

9187201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 9187201 is about 3031.0395906355. The cubic root of 9187201 is about 209.4406961288.

The spelling of 9187201 in words is "nine million, one hundred eighty-seven thousand, two hundred one".