9016121 has 2 divisors, whose sum is σ = 9016122. Its totient is φ = 9016120.

The previous prime is 9016087. The next prime is 9016177. The reversal of 9016121 is 1216109.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7155625 + 1860496 = 2675^2 + 1364^2 .

It is an emirp because it is prime and its reverse (1216109) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9016121 - 2¹⁴ = 8999737 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 9016093 and 9016102.

It is not a weakly prime, because it can be changed into another prime (9016421) 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, 4508060 + 4508061.

It is an arithmetic number, because the mean of its divisors is an integer number (4508061).

Almost surely, 2^9016121 is an apocalyptic number.

It is an amenable number.

9016121 is a deficient number, since it is larger than the sum of its proper divisors (1).

9016121 is an equidigital number, since it uses as much as digits as its factorization.

9016121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 9016121 is about 3002.6856312308. The cubic root of 9016121 is about 208.1325046367.

The spelling of 9016121 in words is "nine million, sixteen thousand, one hundred twenty-one".