9814560121 has 2 divisors, whose sum is σ = 9814560122. Its totient is φ = 9814560120.

The previous prime is 9814560113. The next prime is 9814560157. The reversal of 9814560121 is 1210654189.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7597562896 + 2216997225 = 87164^2 + 47085^2 .

It is a cyclic number.

It is not a de Polignac number, because 9814560121 - 2³ = 9814560113 is a prime.

It is not a weakly prime, because it can be changed into another prime (9814560221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4907280060 + 4907280061.

It is an arithmetic number, because the mean of its divisors is an integer number (4907280061).

Almost surely, 2^9814560121 is an apocalyptic number.

It is an amenable number.

9814560121 is a deficient number, since it is larger than the sum of its proper divisors (1).

9814560121 is an equidigital number, since it uses as much as digits as its factorization.

9814560121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 9814560121 is about 99068.4617877960. The cubic root of 9814560121 is about 2141.0342426333.

The spelling of 9814560121 in words is "nine billion, eight hundred fourteen million, five hundred sixty thousand, one hundred twenty-one".