1126361081 has 2 divisors, whose sum is σ = 1126361082. Its totient is φ = 1126361080.

The previous prime is 1126361039. The next prime is 1126361101. The reversal of 1126361081 is 1801636211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 779805625 + 346555456 = 27925^2 + 18616^2 .

It is an emirp because it is prime and its reverse (1801636211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1126361081 - 2⁶ = 1126361017 is a prime.

It is a super-2 number, since 2×1126361081² = 2537378569582977122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1126361981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563180540 + 563180541.

It is an arithmetic number, because the mean of its divisors is an integer number (563180541).

Almost surely, 2^1126361081 is an apocalyptic number.

It is an amenable number.

1126361081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126361081 is an equidigital number, since it uses as much as digits as its factorization.

1126361081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1126361081 is about 33561.3033268972. The cubic root of 1126361081 is about 1040.4611739817.

Adding to 1126361081 its reverse (1801636211), we get a palindrome (2927997292).

The spelling of 1126361081 in words is "one billion, one hundred twenty-six million, three hundred sixty-one thousand, eighty-one".