1162262081 has 2 divisors, whose sum is σ = 1162262082. Its totient is φ = 1162262080.

The previous prime is 1162262077. The next prime is 1162262083. The reversal of 1162262081 is 1802622611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1141831681 + 20430400 = 33791^2 + 4520^2 .

It is an emirp because it is prime and its reverse (1802622611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1162262081 - 2² = 1162262077 is a prime.

It is a super-2 number, since 2×1162262081² = 2701706289860901122, which contains 22 as substring.

Together with 1162262083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1162262083) 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, 581131040 + 581131041.

It is an arithmetic number, because the mean of its divisors is an integer number (581131041).

Almost surely, 2^1162262081 is an apocalyptic number.

It is an amenable number.

1162262081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162262081 is an equidigital number, since it uses as much as digits as its factorization.

1162262081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 1162262081 is about 34091.9650504338. The cubic root of 1162262081 is about 1051.4001218987.

Adding to 1162262081 its reverse (1802622611), we get a palindrome (2964884692).

The spelling of 1162262081 in words is "one billion, one hundred sixty-two million, two hundred sixty-two thousand, eighty-one".