8967280121 has 2 divisors, whose sum is σ = 8967280122. Its totient is φ = 8967280120.

The previous prime is 8967280061. The next prime is 8967280129. The reversal of 8967280121 is 1210827698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7066756096 + 1900524025 = 84064^2 + 43595^2 .

It is a cyclic number.

It is not a de Polignac number, because 8967280121 - 2¹⁸ = 8967017977 is a prime.

It is a super-2 number, since 2×8967280121² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8967280129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4483640060 + 4483640061.

It is an arithmetic number, because the mean of its divisors is an integer number (4483640061).

Almost surely, 2^8967280121 is an apocalyptic number.

It is an amenable number.

8967280121 is a deficient number, since it is larger than the sum of its proper divisors (1).

8967280121 is an equidigital number, since it uses as much as digits as its factorization.

8967280121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 8967280121 is about 94695.7238791700. The cubic root of 8967280121 is about 2077.5600179988.

The spelling of 8967280121 in words is "eight billion, nine hundred sixty-seven million, two hundred eighty thousand, one hundred twenty-one".