1121830603 has 2 divisors, whose sum is σ = 1121830604. Its totient is φ = 1121830602.

The previous prime is 1121830583. The next prime is 1121830609. The reversal of 1121830603 is 3060381211.

It is a strong prime.

It is an emirp because it is prime and its reverse (3060381211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121830603 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121830609) 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, 560915301 + 560915302.

It is an arithmetic number, because the mean of its divisors is an integer number (560915302).

Almost surely, 2^1121830603 is an apocalyptic number.

1121830603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121830603 is an equidigital number, since it uses as much as digits as its factorization.

1121830603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1121830603 is about 33493.7397583489. The cubic root of 1121830603 is about 1039.0643097289.

The spelling of 1121830603 in words is "one billion, one hundred twenty-one million, eight hundred thirty thousand, six hundred three".