1121355341 has 2 divisors, whose sum is σ = 1121355342. Its totient is φ = 1121355340.

The previous prime is 1121355329. The next prime is 1121355359. The reversal of 1121355341 is 1435531211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1085702500 + 35652841 = 32950^2 + 5971^2 .

It is an emirp because it is prime and its reverse (1435531211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121355341 - 2¹⁰ = 1121354317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121355341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121355311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560677670 + 560677671.

It is an arithmetic number, because the mean of its divisors is an integer number (560677671).

Almost surely, 2^1121355341 is an apocalyptic number.

It is an amenable number.

1121355341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121355341 is an equidigital number, since it uses as much as digits as its factorization.

1121355341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 26.

The square root of 1121355341 is about 33486.6442182551. The cubic root of 1121355341 is about 1038.9175562786.

Adding to 1121355341 its reverse (1435531211), we get a palindrome (2556886552).

The spelling of 1121355341 in words is "one billion, one hundred twenty-one million, three hundred fifty-five thousand, three hundred forty-one".