1120043081 has 2 divisors, whose sum is σ = 1120043082. Its totient is φ = 1120043080.

The previous prime is 1120043069. The next prime is 1120043083. The reversal of 1120043081 is 1803400211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1042321225 + 77721856 = 32285^2 + 8816^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120043081 - 2¹⁴ = 1120026697 is a prime.

It is a super-2 number, since 2×1120043081² = 2508993006591945122, which contains 22 as substring.

Together with 1120043083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1120043083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560021540 + 560021541.

It is an arithmetic number, because the mean of its divisors is an integer number (560021541).

Almost surely, 2^1120043081 is an apocalyptic number.

It is an amenable number.

1120043081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120043081 is an equidigital number, since it uses as much as digits as its factorization.

1120043081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1120043081 is about 33467.0447007201. The cubic root of 1120043081 is about 1038.5121355470.

Adding to 1120043081 its reverse (1803400211), we get a palindrome (2923443292).

The spelling of 1120043081 in words is "one billion, one hundred twenty million, forty-three thousand, eighty-one".