1141262081 has 2 divisors, whose sum is σ = 1141262082. Its totient is φ = 1141262080.

The previous prime is 1141262053. The next prime is 1141262123. The reversal of 1141262081 is 1802621411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1133332225 + 7929856 = 33665^2 + 2816^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141262081 - 2¹⁰ = 1141261057 is a prime.

It is a super-2 number, since 2×1141262081² = 2604958275056901122, 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 1141262081.

It is not a weakly prime, because it can be changed into another prime (1141262981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570631040 + 570631041.

It is an arithmetic number, because the mean of its divisors is an integer number (570631041).

Almost surely, 2^1141262081 is an apocalyptic number.

It is an amenable number.

1141262081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141262081 is an equidigital number, since it uses as much as digits as its factorization.

1141262081 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1141262081 is about 33782.5706689115. The cubic root of 1141262081 is about 1045.0292891068.

Adding to 1141262081 its reverse (1802621411), we get a palindrome (2943883492).

The spelling of 1141262081 in words is "one billion, one hundred forty-one million, two hundred sixty-two thousand, eighty-one".