112131291 has 8 divisors (see below), whose sum is σ = 150512400. Its totient is φ = 74252192.

The previous prime is 112131289. The next prime is 112131307. The reversal of 112131291 is 192131211.

It is a happy number.

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 112131291 - 2¹ = 112131289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112131191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124980 + ... + 125873.

It is an arithmetic number, because the mean of its divisors is an integer number (18814050).

Almost surely, 2^112131291 is an apocalyptic number.

112131291 is a deficient number, since it is larger than the sum of its proper divisors (38381109).

112131291 is a wasteful number, since it uses less digits than its factorization.

112131291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251005.

The product of its digits is 108, while the sum is 21.

The square root of 112131291 is about 10589.2063441979. The cubic root of 112131291 is about 482.2167304686.

The spelling of 112131291 in words is "one hundred twelve million, one hundred thirty-one thousand, two hundred ninety-one".