1120144309 has 2 divisors, whose sum is σ = 1120144310. Its totient is φ = 1120144308.

The previous prime is 1120144307. The next prime is 1120144357. The reversal of 1120144309 is 9034410211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1103701284 + 16443025 = 33222^2 + 4055^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120144309 - 2¹ = 1120144307 is a prime.

Together with 1120144307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120144301) 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, 560072154 + 560072155.

It is an arithmetic number, because the mean of its divisors is an integer number (560072155).

Almost surely, 2^1120144309 is an apocalyptic number.

It is an amenable number.

1120144309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120144309 is an equidigital number, since it uses as much as digits as its factorization.

1120144309 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 1120144309 is about 33468.5570199852. The cubic root of 1120144309 is about 1038.5434210518.

The spelling of 1120144309 in words is "one billion, one hundred twenty million, one hundred forty-four thousand, three hundred nine".