9489121 has 2 divisors, whose sum is σ = 9489122. Its totient is φ = 9489120.

The previous prime is 9489049. The next prime is 9489149. The reversal of 9489121 is 1219849.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5588496 + 3900625 = 2364^2 + 1975^2 .

It is an emirp because it is prime and its reverse (1219849) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9489121 - 2¹¹ = 9487073 is a prime.

It is not a weakly prime, because it can be changed into another prime (9489191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4744560 + 4744561.

It is an arithmetic number, because the mean of its divisors is an integer number (4744561).

Almost surely, 2^9489121 is an apocalyptic number.

It is an amenable number.

9489121 is a deficient number, since it is larger than the sum of its proper divisors (1).

9489121 is an equidigital number, since it uses as much as digits as its factorization.

9489121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 34.

The square root of 9489121 is about 3080.4416891089. The cubic root of 9489121 is about 211.7103035528.

The spelling of 9489121 in words is "nine million, four hundred eighty-nine thousand, one hundred twenty-one".