1130202509 has 2 divisors, whose sum is σ = 1130202510. Its totient is φ = 1130202508.

The previous prime is 1130202499. The next prime is 1130202511. The reversal of 1130202509 is 9052020311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 873498025 + 256704484 = 29555^2 + 16022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1130202509 is a prime.

It is a super-2 number, since 2×1130202509² = 2554715422699790162, which contains 22 as substring.

Together with 1130202511, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130202709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565101254 + 565101255.

It is an arithmetic number, because the mean of its divisors is an integer number (565101255).

Almost surely, 2^1130202509 is an apocalyptic number.

It is an amenable number.

1130202509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130202509 is an equidigital number, since it uses as much as digits as its factorization.

1130202509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1130202509 is about 33618.4846327136. The cubic root of 1130202509 is about 1041.6426546557.

The spelling of 1130202509 in words is "one billion, one hundred thirty million, two hundred two thousand, five hundred nine".