1130320121 has 4 divisors (see below), whose sum is σ = 1291794432. Its totient is φ = 968845812.

The previous prime is 1130320117. The next prime is 1130320151. The reversal of 1130320121 is 1210230311.

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 1130320121 - 2² = 1130320117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130320096 and 1130320105.

It is not an unprimeable number, because it can be changed into a prime (1130320111) 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, 80737145 + ... + 80737158.

It is an arithmetic number, because the mean of its divisors is an integer number (322948608).

Almost surely, 2^1130320121 is an apocalyptic number.

It is an amenable number.

1130320121 is a deficient number, since it is larger than the sum of its proper divisors (161474311).

1130320121 is an equidigital number, since it uses as much as digits as its factorization.

1130320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161474310.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1130320121 is about 33620.2338034702. The cubic root of 1130320121 is about 1041.6787854747.

Adding to 1130320121 its reverse (1210230311), we get a palindrome (2340550432).

The spelling of 1130320121 in words is "one billion, one hundred thirty million, three hundred twenty thousand, one hundred twenty-one".