1180338109 has 2 divisors, whose sum is σ = 1180338110. Its totient is φ = 1180338108.

The previous prime is 1180338059. The next prime is 1180338139. The reversal of 1180338109 is 9018330811.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 955428100 + 224910009 = 30910^2 + 14997^2 .

It is a cyclic number.

It is not a de Polignac number, because 1180338109 - 2⁷ = 1180337981 is a prime.

It is a super-3 number, since 3×1180338109³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1180338139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590169054 + 590169055.

It is an arithmetic number, because the mean of its divisors is an integer number (590169055).

Almost surely, 2^1180338109 is an apocalyptic number.

It is an amenable number.

1180338109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1180338109 is an equidigital number, since it uses as much as digits as its factorization.

1180338109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 1180338109 is about 34356.0490889159. The cubic root of 1180338109 is about 1056.8227241947.

The spelling of 1180338109 in words is "one billion, one hundred eighty million, three hundred thirty-eight thousand, one hundred nine".