112949 has 4 divisors (see below), whose sum is σ = 113760. Its totient is φ = 112140.

The previous prime is 112939. The next prime is 112951. The reversal of 112949 is 949211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112949 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137 + ... + 494.

It is an arithmetic number, because the mean of its divisors is an integer number (28440).

2¹¹²⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

112949 is a deficient number, since it is larger than the sum of its proper divisors (811).

112949 is an equidigital number, since it uses as much as digits as its factorization.

112949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810.

The product of its digits is 648, while the sum is 26.

The square root of 112949 is about 336.0788597934. The cubic root of 112949 is about 48.3386069025.

The spelling of 112949 in words is "one hundred twelve thousand, nine hundred forty-nine".