1112256589 has 2 divisors, whose sum is σ = 1112256590. Its totient is φ = 1112256588.

The previous prime is 1112256583. The next prime is 1112256647. The reversal of 1112256589 is 9856522111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1092302500 + 19954089 = 33050^2 + 4467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112256589 is a prime.

It is a super-2 number, since 2×1112256589² = 2474229439547829842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112256583) 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, 556128294 + 556128295.

It is an arithmetic number, because the mean of its divisors is an integer number (556128295).

Almost surely, 2^1112256589 is an apocalyptic number.

It is an amenable number.

1112256589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112256589 is an equidigital number, since it uses as much as digits as its factorization.

1112256589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 40.

The square root of 1112256589 is about 33350.5110755443. The cubic root of 1112256589 is about 1036.0999730226.

The spelling of 1112256589 in words is "one billion, one hundred twelve million, two hundred fifty-six thousand, five hundred eighty-nine".