1130451121 has 4 divisors (see below), whose sum is σ = 1161003892. Its totient is φ = 1099898352.

The previous prime is 1130451109. The next prime is 1130451131. The reversal of 1130451121 is 1211540311.

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 926532721 + 203918400 = 30439^2 + 14280^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130451121 - 2⁵ = 1130451089 is a prime.

It is a super-3 number, since 3×1130451121³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130451131) 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, 15276330 + ... + 15276403.

It is an arithmetic number, because the mean of its divisors is an integer number (290250973).

Almost surely, 2^1130451121 is an apocalyptic number.

It is an amenable number.

1130451121 is a deficient number, since it is larger than the sum of its proper divisors (30552771).

1130451121 is an equidigital number, since it uses as much as digits as its factorization.

1130451121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30552770.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1130451121 is about 33622.1819785689. The cubic root of 1130451121 is about 1041.7190261837.

Adding to 1130451121 its reverse (1211540311), we get a palindrome (2341991432).

The spelling of 1130451121 in words is "one billion, one hundred thirty million, four hundred fifty-one thousand, one hundred twenty-one".