112892991 has 8 divisors (see below), whose sum is σ = 150675504. Its totient is φ = 75186240.

The previous prime is 112892987. The next prime is 112893007. The reversal of 112892991 is 199298211.

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

It is not a de Polignac number, because 112892991 - 2² = 112892987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112892951) 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 7 ways as a sum of consecutive naturals, for example, 15366 + ... + 21491.

It is an arithmetic number, because the mean of its divisors is an integer number (18834438).

Almost surely, 2^112892991 is an apocalyptic number.

112892991 is a deficient number, since it is larger than the sum of its proper divisors (37782513).

112892991 is a wasteful number, since it uses less digits than its factorization.

112892991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37881.

The product of its digits is 23328, while the sum is 42.

The square root of 112892991 is about 10625.1113405931. Note that the first 3 decimals coincide. The cubic root of 112892991 is about 483.3061555335.

The spelling of 112892991 in words is "one hundred twelve million, eight hundred ninety-two thousand, nine hundred ninety-one".