1043297081 has 4 divisors (see below), whose sum is σ = 1047010164. Its totient is φ = 1039584000.

The previous prime is 1043297077. The next prime is 1043297107. The reversal of 1043297081 is 1807923401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1807923401 = 1087 ⋅1663223.

It can be written as a sum of positive squares in 2 ways, for example, as 915607081 + 127690000 = 30259^2 + 11300^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043297081 - 2² = 1043297077 is a prime.

It is a super-2 number, since 2×1043297081² = 2176937598446241122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1043257081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1856120 + ... + 1856681.

It is an arithmetic number, because the mean of its divisors is an integer number (261752541).

Almost surely, 2^1043297081 is an apocalyptic number.

It is an amenable number.

1043297081 is a deficient number, since it is larger than the sum of its proper divisors (3713083).

1043297081 is an equidigital number, since it uses as much as digits as its factorization.

1043297081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713082.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1043297081 is about 32300.1096128171. The cubic root of 1043297081 is about 1014.2289373977.

The spelling of 1043297081 in words is "one billion, forty-three million, two hundred ninety-seven thousand, eighty-one".