1141213109 has 2 divisors, whose sum is σ = 1141213110. Its totient is φ = 1141213108.

The previous prime is 1141213081. The next prime is 1141213141. The reversal of 1141213109 is 9013121411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1051380625 + 89832484 = 32425^2 + 9478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141213109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141213159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570606554 + 570606555.

It is an arithmetic number, because the mean of its divisors is an integer number (570606555).

Almost surely, 2^1141213109 is an apocalyptic number.

It is an amenable number.

1141213109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141213109 is an equidigital number, since it uses as much as digits as its factorization.

1141213109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1141213109 is about 33781.8458495092. The cubic root of 1141213109 is about 1045.0143413552.

The spelling of 1141213109 in words is "one billion, one hundred forty-one million, two hundred thirteen thousand, one hundred nine".