8964121 has 2 divisors, whose sum is σ = 8964122. Its totient is φ = 8964120.

The previous prime is 8964119. The next prime is 8964127. The reversal of 8964121 is 1214698.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5593225 + 3370896 = 2365^2 + 1836^2 .

It is a cyclic number.

It is not a de Polignac number, because 8964121 - 2¹ = 8964119 is a prime.

Together with 8964119, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8964127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4482060 + 4482061.

It is an arithmetic number, because the mean of its divisors is an integer number (4482061).

Almost surely, 2^8964121 is an apocalyptic number.

It is an amenable number.

8964121 is a deficient number, since it is larger than the sum of its proper divisors (1).

8964121 is an equidigital number, since it uses as much as digits as its factorization.

8964121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 31.

The square root of 8964121 is about 2994.0141950231. The cubic root of 8964121 is about 207.7316018545.

The spelling of 8964121 in words is "eight million, nine hundred sixty-four thousand, one hundred twenty-one".