11452121 has 2 divisors, whose sum is σ = 11452122. Its totient is φ = 11452120.

The previous prime is 11452099. The next prime is 11452127. The reversal of 11452121 is 12125411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9985600 + 1466521 = 3160^2 + 1211^2 .

It is a cyclic number.

It is not a de Polignac number, because 11452121 - 2¹⁴ = 11435737 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11452121.

It is not a weakly prime, because it can be changed into another prime (11452127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5726060 + 5726061.

It is an arithmetic number, because the mean of its divisors is an integer number (5726061).

Almost surely, 2^11452121 is an apocalyptic number.

It is an amenable number.

11452121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11452121 is an equidigital number, since it uses as much as digits as its factorization.

11452121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80, while the sum is 17.

The square root of 11452121 is about 3384.0982550748. The cubic root of 11452121 is about 225.4041854289.

Adding to 11452121 its reverse (12125411), we get a palindrome (23577532).

The spelling of 11452121 in words is "eleven million, four hundred fifty-two thousand, one hundred twenty-one".