1112682581 has 2 divisors, whose sum is σ = 1112682582. Its totient is φ = 1112682580.

The previous prime is 1112682553. The next prime is 1112682607. The reversal of 1112682581 is 1852862111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 971880625 + 140801956 = 31175^2 + 11866^2 .

It is an emirp because it is prime and its reverse (1852862111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112682581 is a prime.

It is a super-2 number, since 2×1112682581² = 2476125052121643122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112687581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556341290 + 556341291.

It is an arithmetic number, because the mean of its divisors is an integer number (556341291).

Almost surely, 2^1112682581 is an apocalyptic number.

It is an amenable number.

1112682581 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112682581 is an equidigital number, since it uses as much as digits as its factorization.

1112682581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 35.

The square root of 1112682581 is about 33356.8970529334. The cubic root of 1112682581 is about 1036.2322308631.

The spelling of 1112682581 in words is "one billion, one hundred twelve million, six hundred eighty-two thousand, five hundred eighty-one".