1130323121 has 4 divisors (see below), whose sum is σ = 1149481200. Its totient is φ = 1111165044.

The previous prime is 1130323097. The next prime is 1130323141. The reversal of 1130323121 is 1213230311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1130323121 - 2⁶ = 1130323057 is a prime.

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 1130323121.

It is not an unprimeable number, because it can be changed into a prime (1130323141) 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 3 ways as a sum of consecutive naturals, for example, 9578951 + ... + 9579068.

It is an arithmetic number, because the mean of its divisors is an integer number (287370300).

Almost surely, 2^1130323121 is an apocalyptic number.

It is an amenable number.

1130323121 is a deficient number, since it is larger than the sum of its proper divisors (19158079).

1130323121 is an equidigital number, since it uses as much as digits as its factorization.

1130323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19158078.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1130323121 is about 33620.2784194301. The cubic root of 1130323121 is about 1041.6797070524.

Adding to 1130323121 its reverse (1213230311), we get a palindrome (2343553432).

The spelling of 1130323121 in words is "one billion, one hundred thirty million, three hundred twenty-three thousand, one hundred twenty-one".