1122887113 has 2 divisors, whose sum is σ = 1122887114. Its totient is φ = 1122887112.

The previous prime is 1122887089. The next prime is 1122887147. The reversal of 1122887113 is 3117882211.

It is an a-pointer prime, because the next prime (1122887147) can be obtained adding 1122887113 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1019397184 + 103489929 = 31928^2 + 10173^2 .

It is an emirp because it is prime and its reverse (3117882211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122887113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122888113) 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, 561443556 + 561443557.

It is an arithmetic number, because the mean of its divisors is an integer number (561443557).

Almost surely, 2^1122887113 is an apocalyptic number.

It is an amenable number.

1122887113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122887113 is an equidigital number, since it uses as much as digits as its factorization.

1122887113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 34.

The square root of 1122887113 is about 33509.5078000260. The cubic root of 1122887113 is about 1039.3903950252.

The spelling of 1122887113 in words is "one billion, one hundred twenty-two million, eight hundred eighty-seven thousand, one hundred thirteen".