1141412381 has 2 divisors, whose sum is σ = 1141412382. Its totient is φ = 1141412380.

The previous prime is 1141412369. The next prime is 1141412423. The reversal of 1141412381 is 1832141411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 935748100 + 205664281 = 30590^2 + 14341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141412381 is a prime.

It is a super-2 number, since 2×1141412381² = 2605644447000178322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1141412381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141412341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570706190 + 570706191.

It is an arithmetic number, because the mean of its divisors is an integer number (570706191).

Almost surely, 2^1141412381 is an apocalyptic number.

It is an amenable number.

1141412381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141412381 is an equidigital number, since it uses as much as digits as its factorization.

1141412381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 26.

The square root of 1141412381 is about 33784.7951155546. The cubic root of 1141412381 is about 1045.0751625920.

Adding to 1141412381 its reverse (1832141411), we get a palindrome (2973553792).

The spelling of 1141412381 in words is "one billion, one hundred forty-one million, four hundred twelve thousand, three hundred eighty-one".