7830303121 has 9 divisors (see below), whose sum is σ = 7913736649. Its totient is φ = 7747742884.

The previous prime is 7830303101. The next prime is 7830303127. The reversal of 7830303121 is 1213030387.

The square root of 7830303121 is 88489.

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

It is not a de Polignac number, because 7830303121 - 2⁷ = 7830302993 is a prime.

It is a super-2 number, since 2×7830303121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7830303121.

It is not an unprimeable number, because it can be changed into a prime (7830303127) 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 8 ways as a sum of consecutive naturals, for example, 9467910 + ... + 9468736.

Almost surely, 2^7830303121 is an apocalyptic number.

7830303121 is the 88489-th square number.

7830303121 is the 44245-th centered octagonal number.

It is an amenable number.

7830303121 is a deficient number, since it is larger than the sum of its proper divisors (83433528).

7830303121 is an frugal number, since it uses more digits than its factorization.

7830303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The cubic root of 7830303121 is about 1985.7574084708.

The spelling of 7830303121 in words is "seven billion, eight hundred thirty million, three hundred three thousand, one hundred twenty-one".