1130240321 has 24 divisors (see below), whose sum is σ = 1334511360. Its totient is φ = 954338112.

The previous prime is 1130240303. The next prime is 1130240329. The reversal of 1130240321 is 1230420311.

It is not a de Polignac number, because 1130240321 - 2²⁶ = 1063131457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1130240321.

It is not an unprimeable number, because it can be changed into a prime (1130240329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1205765 + ... + 1206701.

It is an arithmetic number, because the mean of its divisors is an integer number (55604640).

Almost surely, 2^1130240321 is an apocalyptic number.

It is an amenable number.

1130240321 is a deficient number, since it is larger than the sum of its proper divisors (204271039).

1130240321 is a wasteful number, since it uses less digits than its factorization.

1130240321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293 (or 1286 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1130240321 is about 33619.0469972009. The cubic root of 1130240321 is about 1041.6542709081.

Adding to 1130240321 its reverse (1230420311), we get a palindrome (2360660632).

The spelling of 1130240321 in words is "one billion, one hundred thirty million, two hundred forty thousand, three hundred twenty-one".