1043612113 has 2 divisors, whose sum is σ = 1043612114. Its totient is φ = 1043612112.

The previous prime is 1043612083. The next prime is 1043612147. The reversal of 1043612113 is 3112163401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 842624784 + 200987329 = 29028^2 + 14177^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043612113 - 2²⁵ = 1010057681 is a prime.

It is not a weakly prime, because it can be changed into another prime (1043612413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521806056 + 521806057.

It is an arithmetic number, because the mean of its divisors is an integer number (521806057).

Almost surely, 2^1043612113 is an apocalyptic number.

It is an amenable number.

1043612113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043612113 is an equidigital number, since it uses as much as digits as its factorization.

1043612113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1043612113 is about 32304.9858845349. The cubic root of 1043612113 is about 1014.3310120039.

Adding to 1043612113 its reverse (3112163401), we get a palindrome (4155775514).

The spelling of 1043612113 in words is "one billion, forty-three million, six hundred twelve thousand, one hundred thirteen".