1120508689 has 2 divisors, whose sum is σ = 1120508690. Its totient is φ = 1120508688.

The previous prime is 1120508657. The next prime is 1120508729. The reversal of 1120508689 is 9868050211.

It is an a-pointer prime, because the next prime (1120508729) can be obtained adding 1120508689 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1103369089 + 17139600 = 33217^2 + 4140^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120508689 - 2⁵ = 1120508657 is a prime.

It is not a weakly prime, because it can be changed into another prime (1120506689) 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, 560254344 + 560254345.

It is an arithmetic number, because the mean of its divisors is an integer number (560254345).

Almost surely, 2^1120508689 is an apocalyptic number.

It is an amenable number.

1120508689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120508689 is an equidigital number, since it uses as much as digits as its factorization.

1120508689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 1120508689 is about 33474.0001941806. Note that the first 3 decimals coincide. The cubic root of 1120508689 is about 1038.6560206584.

The spelling of 1120508689 in words is "one billion, one hundred twenty million, five hundred eight thousand, six hundred eighty-nine".