1120236109 has 2 divisors, whose sum is σ = 1120236110. Its totient is φ = 1120236108.

The previous prime is 1120236107. The next prime is 1120236113. The reversal of 1120236109 is 9016320211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 836482084 + 283754025 = 28922^2 + 16845^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120236109 - 2¹ = 1120236107 is a prime.

Together with 1120236107, 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 (1120236107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560118054 + 560118055.

It is an arithmetic number, because the mean of its divisors is an integer number (560118055).

Almost surely, 2^1120236109 is an apocalyptic number.

It is an amenable number.

1120236109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120236109 is an equidigital number, since it uses as much as digits as its factorization.

1120236109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1120236109 is about 33469.9284283669. The cubic root of 1120236109 is about 1038.5717911112.

The spelling of 1120236109 in words is "one billion, one hundred twenty million, two hundred thirty-six thousand, one hundred nine".