1112893391 has 4 divisors (see below), whose sum is σ = 1118659872. Its totient is φ = 1107126912.

The previous prime is 1112893351. The next prime is 1112893393. The reversal of 1112893391 is 1933982111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1933982111 = 10799 ⋅179089.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112893391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112893393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2882951 + ... + 2883336.

It is an arithmetic number, because the mean of its divisors is an integer number (279664968).

Almost surely, 2^1112893391 is an apocalyptic number.

1112893391 is a deficient number, since it is larger than the sum of its proper divisors (5766481).

1112893391 is an equidigital number, since it uses as much as digits as its factorization.

1112893391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5766480.

The product of its digits is 11664, while the sum is 38.

The square root of 1112893391 is about 33360.0568194960. The cubic root of 1112893391 is about 1036.2976686097.

The spelling of 1112893391 in words is "one billion, one hundred twelve million, eight hundred ninety-three thousand, three hundred ninety-one".