1112258681 has 4 divisors (see below), whose sum is σ = 1125659472. Its totient is φ = 1098857892.

The previous prime is 1112258669. The next prime is 1112258723. The reversal of 1112258681 is 1868522111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112258681 is a prime.

It is a super-2 number, since 2×1112258681² = 2474238746919719522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1112258981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6700271 + ... + 6700436.

It is an arithmetic number, because the mean of its divisors is an integer number (281414868).

Almost surely, 2^1112258681 is an apocalyptic number.

It is an amenable number.

1112258681 is a deficient number, since it is larger than the sum of its proper divisors (13400791).

1112258681 is an equidigital number, since it uses as much as digits as its factorization.

1112258681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13400790.

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

The square root of 1112258681 is about 33350.5424393667. The cubic root of 1112258681 is about 1036.1006226088.

The spelling of 1112258681 in words is "one billion, one hundred twelve million, two hundred fifty-eight thousand, six hundred eighty-one".