452030121 has 27 divisors (see below), whose sum is σ = 690958359. Its totient is φ = 284727312.

The previous prime is 452030113. The next prime is 452030123. The reversal of 452030121 is 121030254.

The square root of 452030121 is 21261.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 245705625 + 206324496 = 15675^2 + 14364^2 .

It is not a de Polignac number, because 452030121 - 2³ = 452030113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 452030094 and 452030103.

It is not an unprimeable number, because it can be changed into a prime (452030123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1211691 + ... + 1212063.

Almost surely, 2^452030121 is an apocalyptic number.

452030121 is the 21261-st square number.

452030121 is the 10631-st centered octagonal number.

It is an amenable number.

452030121 is a deficient number, since it is larger than the sum of its proper divisors (238928238).

452030121 is an equidigital number, since it uses as much as digits as its factorization.

452030121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The cubic root of 452030121 is about 767.4600748117.

Adding to 452030121 its reverse (121030254), we get a palindrome (573060375).

The spelling of 452030121 in words is "four hundred fifty-two million, thirty thousand, one hundred twenty-one".