1121133269 has 2 divisors, whose sum is σ = 1121133270. Its totient is φ = 1121133268.

The previous prime is 1121133241. The next prime is 1121133271. The reversal of 1121133269 is 9623311211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1116562225 + 4571044 = 33415^2 + 2138^2 .

It is an emirp because it is prime and its reverse (9623311211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121133269 - 2¹⁶ = 1121067733 is a prime.

It is a super-2 number, since 2×1121133269² = 2513879613717252722, which contains 22 as substring.

Together with 1121133271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121135269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560566634 + 560566635.

It is an arithmetic number, because the mean of its divisors is an integer number (560566635).

Almost surely, 2^1121133269 is an apocalyptic number.

It is an amenable number.

1121133269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121133269 is an equidigital number, since it uses as much as digits as its factorization.

1121133269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 29.

The square root of 1121133269 is about 33483.3282246553. The cubic root of 1121133269 is about 1038.8489697141.

The spelling of 1121133269 in words is "one billion, one hundred twenty-one million, one hundred thirty-three thousand, two hundred sixty-nine".