9895121 has 2 divisors, whose sum is σ = 9895122. Its totient is φ = 9895120.

The previous prime is 9895111. The next prime is 9895133. The reversal of 9895121 is 1215989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9891025 + 4096 = 3145^2 + 64^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9895121 is a prime.

It is not a weakly prime, because it can be changed into another prime (9895111) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4947560 + 4947561.

It is an arithmetic number, because the mean of its divisors is an integer number (4947561).

Almost surely, 2^9895121 is an apocalyptic number.

It is an amenable number.

9895121 is a deficient number, since it is larger than the sum of its proper divisors (1).

9895121 is an equidigital number, since it uses as much as digits as its factorization.

9895121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 35.

The square root of 9895121 is about 3145.6511249660. The cubic root of 9895121 is about 214.6876372635.

The spelling of 9895121 in words is "nine million, eight hundred ninety-five thousand, one hundred twenty-one".