1121353141 has 2 divisors, whose sum is σ = 1121353142. Its totient is φ = 1121353140.

The previous prime is 1121353139. The next prime is 1121353187. The reversal of 1121353141 is 1413531211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1067917041 + 53436100 = 32679^2 + 7310^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121353141 - 2¹ = 1121353139 is a prime.

Together with 1121353139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121353241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560676570 + 560676571.

It is an arithmetic number, because the mean of its divisors is an integer number (560676571).

Almost surely, 2^1121353141 is an apocalyptic number.

It is an amenable number.

1121353141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121353141 is an equidigital number, since it uses as much as digits as its factorization.

1121353141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 22.

The square root of 1121353141 is about 33486.6113693219. The cubic root of 1121353141 is about 1038.9168768567.

Adding to 1121353141 its reverse (1413531211), we get a palindrome (2534884352).

The spelling of 1121353141 in words is "one billion, one hundred twenty-one million, three hundred fifty-three thousand, one hundred forty-one".