1130320043 has 4 divisors (see below), whose sum is σ = 1141294128. Its totient is φ = 1119345960.

The previous prime is 1130319991. The next prime is 1130320049. The reversal of 1130320043 is 3400230311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1130320043 - 2¹⁸ = 1130057899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130320049) 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, 5486888 + ... + 5487093.

It is an arithmetic number, because the mean of its divisors is an integer number (285323532).

Almost surely, 2^1130320043 is an apocalyptic number.

1130320043 is a deficient number, since it is larger than the sum of its proper divisors (10974085).

1130320043 is a wasteful number, since it uses less digits than its factorization.

1130320043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10974084.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1130320043 is about 33620.2326434544. The cubic root of 1130320043 is about 1041.6787615136.

Adding to 1130320043 its reverse (3400230311), we get a palindrome (4530550354).

The spelling of 1130320043 in words is "one billion, one hundred thirty million, three hundred twenty thousand, forty-three".