1112817897 has 12 divisors (see below), whose sum is σ = 1692004080. Its totient is φ = 702832248.

The previous prime is 1112817887. The next prime is 1112817917. The reversal of 1112817897 is 7987182111.

It is not a de Polignac number, because 1112817897 - 2²³ = 1104429289 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1112817817) 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 in 11 ways as a sum of consecutive naturals, for example, 3253683 + ... + 3254024.

It is an arithmetic number, because the mean of its divisors is an integer number (141000340).

Almost surely, 2^1112817897 is an apocalyptic number.

It is an amenable number.

1112817897 is a deficient number, since it is larger than the sum of its proper divisors (579186183).

1112817897 is a wasteful number, since it uses less digits than its factorization.

1112817897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6507732 (or 6507729 counting only the distinct ones).

The product of its digits is 56448, while the sum is 45.

The square root of 1112817897 is about 33358.9252974373. The cubic root of 1112817897 is about 1036.2742353902.

The spelling of 1112817897 in words is "one billion, one hundred twelve million, eight hundred seventeen thousand, eight hundred ninety-seven".