1130323421 has 16 divisors (see below), whose sum is σ = 1231566768. Its totient is φ = 1033344000.

The previous prime is 1130323417. The next prime is 1130323423. The reversal of 1130323421 is 1243230311.

It can be written as a sum of positive squares in 8 ways, for example, as 646939225 + 483384196 = 25435^2 + 21986^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130323421 - 2² = 1130323417 is a prime.

It is a super-2 number, since 2×1130323421² = 2555262072122286482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1130323393 and 1130323402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130323423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84791 + ... + 97211.

It is an arithmetic number, because the mean of its divisors is an integer number (76972923).

Almost surely, 2^1130323421 is an apocalyptic number.

It is an amenable number.

1130323421 is a deficient number, since it is larger than the sum of its proper divisors (101243347).

1130323421 is a wasteful number, since it uses less digits than its factorization.

1130323421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12592.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1130323421 is about 33620.2828810229. The cubic root of 1130323421 is about 1041.6797992101.

Adding to 1130323421 its reverse (1243230311), we get a palindrome (2373553732).

The spelling of 1130323421 in words is "one billion, one hundred thirty million, three hundred twenty-three thousand, four hundred twenty-one".