1141365217 has 2 divisors, whose sum is σ = 1141365218. Its totient is φ = 1141365216.

The previous prime is 1141365139. The next prime is 1141365299. The reversal of 1141365217 is 7125631411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1141358656 + 6561 = 33784^2 + 81^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141365217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1141365517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570682608 + 570682609.

It is an arithmetic number, because the mean of its divisors is an integer number (570682609).

Almost surely, 2^1141365217 is an apocalyptic number.

It is an amenable number.

1141365217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141365217 is an equidigital number, since it uses as much as digits as its factorization.

1141365217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

The square root of 1141365217 is about 33784.0971020390. The cubic root of 1141365217 is about 1045.0607679687.

Adding to 1141365217 its reverse (7125631411), we get a palindrome (8266996628).

The spelling of 1141365217 in words is "one billion, one hundred forty-one million, three hundred sixty-five thousand, two hundred seventeen".