1130321043 has 12 divisors (see below), whose sum is σ = 1638262080. Its totient is φ = 750973776.

The previous prime is 1130321009. The next prime is 1130321057. The reversal of 1130321043 is 3401230311.

It is not a de Polignac number, because 1130321043 - 2²¹ = 1128223891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1130321063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211683 + ... + 216956.

It is an arithmetic number, because the mean of its divisors is an integer number (136521840).

Almost surely, 2^1130321043 is an apocalyptic number.

1130321043 is a deficient number, since it is larger than the sum of its proper divisors (507941037).

1130321043 is a wasteful number, since it uses less digits than its factorization.

1130321043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428938 (or 428935 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1130321043 is about 33620.2475154482. The cubic root of 1130321043 is about 1041.6790687064.

Adding to 1130321043 its reverse (3401230311), we get a palindrome (4531551354).

The spelling of 1130321043 in words is "one billion, one hundred thirty million, three hundred twenty-one thousand, forty-three".