1147312043 has 8 divisors (see below), whose sum is σ = 1160802720. Its totient is φ = 1133899200.

The previous prime is 1147312039. The next prime is 1147312051. The reversal of 1147312043 is 3402137411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1147312043 - 2² = 1147312039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1147312003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10463 + ... + 49031.

It is an arithmetic number, because the mean of its divisors is an integer number (145100340).

Almost surely, 2^1147312043 is an apocalyptic number.

1147312043 is a deficient number, since it is larger than the sum of its proper divisors (13490677).

1147312043 is a wasteful number, since it uses less digits than its factorization.

1147312043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38917.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1147312043 is about 33871.9949663435. The cubic root of 1147312043 is about 1046.8726426121.

Adding to 1147312043 its reverse (3402137411), we get a palindrome (4549449454).

The spelling of 1147312043 in words is "one billion, one hundred forty-seven million, three hundred twelve thousand, forty-three".