201120449 has 2 divisors, whose sum is σ = 201120450. Its totient is φ = 201120448.

The previous prime is 201120431. The next prime is 201120499. The reversal of 201120449 is 944021102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196420225 + 4700224 = 14015^2 + 2168^2 .

It is a cyclic number.

It is not a de Polignac number, because 201120449 - 2²⁴ = 184343233 is a prime.

It is not a weakly prime, because it can be changed into another prime (201120499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560224 + 100560225.

It is an arithmetic number, because the mean of its divisors is an integer number (100560225).

Almost surely, 2^201120449 is an apocalyptic number.

It is an amenable number.

201120449 is a deficient number, since it is larger than the sum of its proper divisors (1).

201120449 is an equidigital number, since it uses as much as digits as its factorization.

201120449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 201120449 is about 14181.6941512642. The cubic root of 201120449 is about 585.8935855335.

The spelling of 201120449 in words is "two hundred one million, one hundred twenty thousand, four hundred forty-nine".