1120144409 has 2 divisors, whose sum is σ = 1120144410. Its totient is φ = 1120144408.

The previous prime is 1120144381. The next prime is 1120144429. The reversal of 1120144409 is 9044410211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 994771600 + 125372809 = 31540^2 + 11197^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120144409 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 (1120144429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560072204 + 560072205.

It is an arithmetic number, because the mean of its divisors is an integer number (560072205).

Almost surely, 2^1120144409 is an apocalyptic number.

It is an amenable number.

1120144409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120144409 is an equidigital number, since it uses as much as digits as its factorization.

1120144409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1120144409 is about 33468.5585139247. The cubic root of 1120144409 is about 1038.5434519569.

The spelling of 1120144409 in words is "one billion, one hundred twenty million, one hundred forty-four thousand, four hundred nine".