8908121 has 2 divisors, whose sum is σ = 8908122. Its totient is φ = 8908120.

The previous prime is 8908103. The next prime is 8908127. The reversal of 8908121 is 1218098.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8637721 + 270400 = 2939^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 8908121 - 2⁶ = 8908057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8908127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4454060 + 4454061.

It is an arithmetic number, because the mean of its divisors is an integer number (4454061).

Almost surely, 2^8908121 is an apocalyptic number.

It is an amenable number.

8908121 is a deficient number, since it is larger than the sum of its proper divisors (1).

8908121 is an equidigital number, since it uses as much as digits as its factorization.

8908121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 8908121 is about 2984.6475503818. The cubic root of 8908121 is about 207.2981227161.

The spelling of 8908121 in words is "eight million, nine hundred eight thousand, one hundred twenty-one".