1120120289 has 2 divisors, whose sum is σ = 1120120290. Its totient is φ = 1120120288.

The previous prime is 1120120279. The next prime is 1120120301. The reversal of 1120120289 is 9820210211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1100049889 + 20070400 = 33167^2 + 4480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120120289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1120120229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560060144 + 560060145.

It is an arithmetic number, because the mean of its divisors is an integer number (560060145).

Almost surely, 2^1120120289 is an apocalyptic number.

It is an amenable number.

1120120289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120120289 is an equidigital number, since it uses as much as digits as its factorization.

1120120289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 1120120289 is about 33468.1981737888. The cubic root of 1120120289 is about 1038.5359976061.

The spelling of 1120120289 in words is "one billion, one hundred twenty million, one hundred twenty thousand, two hundred eighty-nine".