1271180043 has 12 divisors (see below), whose sum is σ = 2098456048. Its totient is φ = 726388560.

The previous prime is 1271180039. The next prime is 1271180051. The reversal of 1271180043 is 3400811721.

It is not a de Polignac number, because 1271180043 - 2² = 1271180039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1271179989 and 1271180016.

It is not an unprimeable number, because it can be changed into a prime (1271180003) 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, 10088668 + ... + 10088793.

Almost surely, 2^1271180043 is an apocalyptic number.

1271180043 is a deficient number, since it is larger than the sum of its proper divisors (827276005).

1271180043 is a wasteful number, since it uses less digits than its factorization.

1271180043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20177474 (or 20177471 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1271180043 is about 35653.6119208139. The cubic root of 1271180043 is about 1083.2674375277.

Adding to 1271180043 its reverse (3400811721), we get a palindrome (4671991764).

The spelling of 1271180043 in words is "one billion, two hundred seventy-one million, one hundred eighty thousand, forty-three".