1112191285 has 8 divisors (see below), whose sum is σ = 1350709920. Its totient is φ = 879032784.

The previous prime is 1112191271. The next prime is 1112191319. The reversal of 1112191285 is 5821912111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1112191285 - 2⁹ = 1112190773 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1339575 + ... + 1340404.

It is an arithmetic number, because the mean of its divisors is an integer number (168838740).

Almost surely, 2^1112191285 is an apocalyptic number.

It is an amenable number.

1112191285 is a deficient number, since it is larger than the sum of its proper divisors (238518635).

1112191285 is an equidigital number, since it uses as much as digits as its factorization.

1112191285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680067.

The product of its digits is 1440, while the sum is 31.

The square root of 1112191285 is about 33349.5320057119. The cubic root of 1112191285 is about 1036.0796950887.

The spelling of 1112191285 in words is "one billion, one hundred twelve million, one hundred ninety-one thousand, two hundred eighty-five".