11990201 has 2 divisors, whose sum is σ = 11990202. Its totient is φ = 11990200.

The previous prime is 11990191. The next prime is 11990213. The reversal of 11990201 is 10209911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11215801 + 774400 = 3349^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 11990201 - 2¹⁰ = 11989177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11990261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5995100 + 5995101.

It is an arithmetic number, because the mean of its divisors is an integer number (5995101).

Almost surely, 2^11990201 is an apocalyptic number.

It is an amenable number.

11990201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11990201 is an equidigital number, since it uses as much as digits as its factorization.

11990201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 11990201 is about 3462.6869624614. The cubic root of 11990201 is about 228.8805145692.

The spelling of 11990201 in words is "eleven million, nine hundred ninety thousand, two hundred one".