8743121 has 2 divisors, whose sum is σ = 8743122. Its totient is φ = 8743120.

The previous prime is 8743103. The next prime is 8743139. The reversal of 8743121 is 1213478.

It is a balanced prime because it is at equal distance from previous prime (8743103) and next prime (8743139).

It can be written as a sum of positive squares in only one way, i.e., 4682896 + 4060225 = 2164^2 + 2015^2 .

It is a cyclic number.

It is not a de Polignac number, because 8743121 - 2¹⁴ = 8726737 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8743421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4371560 + 4371561.

It is an arithmetic number, because the mean of its divisors is an integer number (4371561).

Almost surely, 2^8743121 is an apocalyptic number.

It is an amenable number.

8743121 is a deficient number, since it is larger than the sum of its proper divisors (1).

8743121 is an equidigital number, since it uses as much as digits as its factorization.

8743121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 26.

The square root of 8743121 is about 2956.8768997035. The cubic root of 8743121 is about 206.0102502205.

Adding to 8743121 its reverse (1213478), we get a palindrome (9956599).

The spelling of 8743121 in words is "eight million, seven hundred forty-three thousand, one hundred twenty-one".