1123130087 has 2 divisors, whose sum is σ = 1123130088. Its totient is φ = 1123130086.

The previous prime is 1123130083. The next prime is 1123130119. The reversal of 1123130087 is 7800313211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123130087 - 2² = 1123130083 is a prime.

It is a super-2 number, since 2×1123130087² = 2522842384649255138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123130081) 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, 561565043 + 561565044.

It is an arithmetic number, because the mean of its divisors is an integer number (561565044).

Almost surely, 2^1123130087 is an apocalyptic number.

1123130087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123130087 is an equidigital number, since it uses as much as digits as its factorization.

1123130087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1123130087 is about 33513.1330525810. The cubic root of 1123130087 is about 1039.4653585205.

Adding to 1123130087 its reverse (7800313211), we get a palindrome (8923443298).

The spelling of 1123130087 in words is "one billion, one hundred twenty-three million, one hundred thirty thousand, eighty-seven".