1030323121 has 2 divisors, whose sum is σ = 1030323122. Its totient is φ = 1030323120.

The previous prime is 1030323113. The next prime is 1030323149. The reversal of 1030323121 is 1213230301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 995087025 + 35236096 = 31545^2 + 5936^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030323121 - 2³ = 1030323113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1030323095 and 1030323104.

It is not a weakly prime, because it can be changed into another prime (1030323191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515161560 + 515161561.

It is an arithmetic number, because the mean of its divisors is an integer number (515161561).

Almost surely, 2^1030323121 is an apocalyptic number.

It is an amenable number.

1030323121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030323121 is an equidigital number, since it uses as much as digits as its factorization.

1030323121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1030323121 is about 32098.6467160222. The cubic root of 1030323121 is about 1010.0072283246.

Adding to 1030323121 its reverse (1213230301), we get a palindrome (2243553422).

The spelling of 1030323121 in words is "one billion, thirty million, three hundred twenty-three thousand, one hundred twenty-one".