9616121 has 2 divisors, whose sum is σ = 9616122. Its totient is φ = 9616120.

The previous prime is 9616111. The next prime is 9616127. The reversal of 9616121 is 1216169.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5856400 + 3759721 = 2420^2 + 1939^2 .

It is a cyclic number.

It is not a de Polignac number, because 9616121 - 2¹⁸ = 9353977 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

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

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9616127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4808060 + 4808061.

It is an arithmetic number, because the mean of its divisors is an integer number (4808061).

Almost surely, 2^9616121 is an apocalyptic number.

It is an amenable number.

9616121 is a deficient number, since it is larger than the sum of its proper divisors (1).

9616121 is an equidigital number, since it uses as much as digits as its factorization.

9616121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 26.

The square root of 9616121 is about 3100.9871009084. The cubic root of 9616121 is about 212.6506134092.

The spelling of 9616121 in words is "nine million, six hundred sixteen thousand, one hundred twenty-one".