1121110547 has 2 divisors, whose sum is σ = 1121110548. Its totient is φ = 1121110546.

The previous prime is 1121110511. The next prime is 1121110553. The reversal of 1121110547 is 7450111211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121110547 - 2¹² = 1121106451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121110247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560555273 + 560555274.

It is an arithmetic number, because the mean of its divisors is an integer number (560555274).

Almost surely, 2^1121110547 is an apocalyptic number.

1121110547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121110547 is an equidigital number, since it uses as much as digits as its factorization.

1121110547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 23.

The square root of 1121110547 is about 33482.9889197485. The cubic root of 1121110547 is about 1038.8419515518.

Adding to 1121110547 its reverse (7450111211), we get a palindrome (8571221758).

The spelling of 1121110547 in words is "one billion, one hundred twenty-one million, one hundred ten thousand, five hundred forty-seven".