1030330121 has 4 divisors (see below), whose sum is σ = 1032308244. Its totient is φ = 1028352000.

The previous prime is 1030330109. The next prime is 1030330129. The reversal of 1030330121 is 1210330301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 413552896 + 616777225 = 20336^2 + 24835^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030330121 - 2¹⁸ = 1030067977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030330096 and 1030330105.

It is not an unprimeable number, because it can be changed into a prime (1030330129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 988280 + ... + 989321.

It is an arithmetic number, because the mean of its divisors is an integer number (258077061).

Almost surely, 2^1030330121 is an apocalyptic number.

It is an amenable number.

1030330121 is a deficient number, since it is larger than the sum of its proper divisors (1978123).

1030330121 is an equidigital number, since it uses as much as digits as its factorization.

1030330121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978122.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1030330121 is about 32098.7557547018. The cubic root of 1030330121 is about 1010.0095156441.

Adding to 1030330121 its reverse (1210330301), we get a palindrome (2240660422).

The spelling of 1030330121 in words is "one billion, thirty million, three hundred thirty thousand, one hundred twenty-one".