1120322009 has 2 divisors, whose sum is σ = 1120322010. Its totient is φ = 1120322008.

The previous prime is 1120321987. The next prime is 1120322029. The reversal of 1120322009 is 9002230211.

It is an a-pointer prime, because the next prime (1120322029) can be obtained adding 1120322009 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 876337609 + 243984400 = 29603^2 + 15620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120322009 - 2⁸ = 1120321753 is a prime.

It is not a weakly prime, because it can be changed into another prime (1120322029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560161004 + 560161005.

It is an arithmetic number, because the mean of its divisors is an integer number (560161005).

Almost surely, 2^1120322009 is an apocalyptic number.

It is an amenable number.

1120322009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120322009 is an equidigital number, since it uses as much as digits as its factorization.

1120322009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1120322009 is about 33471.2116452333. The cubic root of 1120322009 is about 1038.5983364189.

The spelling of 1120322009 in words is "one billion, one hundred twenty million, three hundred twenty-two thousand, nine".