1131120533 has 2 divisors, whose sum is σ = 1131120534. Its totient is φ = 1131120532.

The previous prime is 1131120493. The next prime is 1131120569. The reversal of 1131120533 is 3350211311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1128489649 + 2630884 = 33593^2 + 1622^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131120533 - 2¹⁸ = 1130858389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131120583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565560266 + 565560267.

It is an arithmetic number, because the mean of its divisors is an integer number (565560267).

Almost surely, 2^1131120533 is an apocalyptic number.

It is an amenable number.

1131120533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131120533 is an equidigital number, since it uses as much as digits as its factorization.

1131120533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1131120533 is about 33632.1354213496. The cubic root of 1131120533 is about 1041.9246083042.

Adding to 1131120533 its reverse (3350211311), we get a palindrome (4481331844).

The spelling of 1131120533 in words is "one billion, one hundred thirty-one million, one hundred twenty thousand, five hundred thirty-three".