453247121 has 2 divisors, whose sum is σ = 453247122. Its totient is φ = 453247120.

The previous prime is 453247117. The next prime is 453247129. The reversal of 453247121 is 121742354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 453221521 + 25600 = 21289^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 453247121 - 2² = 453247117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (453247129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226623560 + 226623561.

It is an arithmetic number, because the mean of its divisors is an integer number (226623561).

Almost surely, 2^453247121 is an apocalyptic number.

It is an amenable number.

453247121 is a deficient number, since it is larger than the sum of its proper divisors (1).

453247121 is an equidigital number, since it uses as much as digits as its factorization.

453247121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 453247121 is about 21289.6012409815. The cubic root of 453247121 is about 768.1482014931.

Adding to 453247121 its reverse (121742354), we get a palindrome (574989475).

The spelling of 453247121 in words is "four hundred fifty-three million, two hundred forty-seven thousand, one hundred twenty-one".