1121383091 has 2 divisors, whose sum is σ = 1121383092. Its totient is φ = 1121383090.

The previous prime is 1121383079. The next prime is 1121383093. The reversal of 1121383091 is 1903831211.

It is a strong prime.

It is an emirp because it is prime and its reverse (1903831211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121383091 - 2⁶ = 1121383027 is a prime.

It is a super-3 number, since 3×1121383091³ (a number of 28 digits) contains 333 as substring.

Together with 1121383093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1121383093) 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, 560691545 + 560691546.

It is an arithmetic number, because the mean of its divisors is an integer number (560691546).

Almost surely, 2^1121383091 is an apocalyptic number.

1121383091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121383091 is an equidigital number, since it uses as much as digits as its factorization.

1121383091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1121383091 is about 33487.0585599870. The cubic root of 1121383091 is about 1038.9261261831.

The spelling of 1121383091 in words is "one billion, one hundred twenty-one million, three hundred eighty-three thousand, ninety-one".