1112251489 has 2 divisors, whose sum is σ = 1112251490. Its totient is φ = 1112251488.

The previous prime is 1112251453. The next prime is 1112251501. The reversal of 1112251489 is 9841522111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 829440000 + 282811489 = 28800^2 + 16817^2 .

It is an emirp because it is prime and its reverse (9841522111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112251489 - 2²¹ = 1110154337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112255489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556125744 + 556125745.

It is an arithmetic number, because the mean of its divisors is an integer number (556125745).

Almost surely, 2^1112251489 is an apocalyptic number.

It is an amenable number.

1112251489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112251489 is an equidigital number, since it uses as much as digits as its factorization.

1112251489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 34.

The square root of 1112251489 is about 33350.4346148592. The cubic root of 1112251489 is about 1036.0983894198.

The spelling of 1112251489 in words is "one billion, one hundred twelve million, two hundred fifty-one thousand, four hundred eighty-nine".