1130402209 has 2 divisors, whose sum is σ = 1130402210. Its totient is φ = 1130402208.

The previous prime is 1130402191. The next prime is 1130402219. The reversal of 1130402209 is 9022040311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 987719184 + 142683025 = 31428^2 + 11945^2 .

It is an emirp because it is prime and its reverse (9022040311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1130402209 - 2⁹ = 1130401697 is a prime.

It is a super-3 number, since 3×1130402209³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1130402209.

It is not a weakly prime, because it can be changed into another prime (1130402219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565201104 + 565201105.

It is an arithmetic number, because the mean of its divisors is an integer number (565201105).

Almost surely, 2^1130402209 is an apocalyptic number.

It is an amenable number.

1130402209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130402209 is an equidigital number, since it uses as much as digits as its factorization.

1130402209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1130402209 is about 33621.4545937561. The cubic root of 1130402209 is about 1041.7040017111.

The spelling of 1130402209 in words is "one billion, one hundred thirty million, four hundred two thousand, two hundred nine".