1112131291 has 8 divisors (see below), whose sum is σ = 1132531200. Its totient is φ = 1091863080.

The previous prime is 1112131283. The next prime is 1112131327. The reversal of 1112131291 is 1921312111.

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 1112131291 - 2³ = 1112131283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112137291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15801 + ... + 49738.

It is an arithmetic number, because the mean of its divisors is an integer number (141566400).

Almost surely, 2^1112131291 is an apocalyptic number.

1112131291 is a deficient number, since it is larger than the sum of its proper divisors (20399909).

1112131291 is an equidigital number, since it uses as much as digits as its factorization.

1112131291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65849.

The product of its digits is 108, while the sum is 22.

The square root of 1112131291 is about 33348.6325206897. The cubic root of 1112131291 is about 1036.0610652949.

The spelling of 1112131291 in words is "one billion, one hundred twelve million, one hundred thirty-one thousand, two hundred ninety-one".