8970121 has 2 divisors, whose sum is σ = 8970122. Its totient is φ = 8970120.

The previous prime is 8970119. The next prime is 8970133. The reversal of 8970121 is 1210798.

8970121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8094025 + 876096 = 2845^2 + 936^2 .

It is a cyclic number.

It is not a de Polignac number, because 8970121 - 2¹ = 8970119 is a prime.

Together with 8970119, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8970121.

It is not a weakly prime, because it can be changed into another prime (8970421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4485060 + 4485061.

It is an arithmetic number, because the mean of its divisors is an integer number (4485061).

Almost surely, 2^8970121 is an apocalyptic number.

It is an amenable number.

8970121 is a deficient number, since it is larger than the sum of its proper divisors (1).

8970121 is an equidigital number, since it uses as much as digits as its factorization.

8970121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 8970121 is about 2995.0160266683. The cubic root of 8970121 is about 207.7779388621. Note that the first 3 decimals are identical.

The spelling of 8970121 in words is "eight million, nine hundred seventy thousand, one hundred twenty-one".