111948249 has 8 divisors (see below), whose sum is σ = 170587840. Its totient is φ = 63970416.

The previous prime is 111948241. The next prime is 111948257. The reversal of 111948249 is 942849111.

It is an interprime number because it is at equal distance from previous prime (111948241) and next prime (111948257).

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

It is not a de Polignac number, because 111948249 - 2³ = 111948241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111948241) 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, 2665414 + ... + 2665455.

It is an arithmetic number, because the mean of its divisors is an integer number (21323480).

Almost surely, 2^111948249 is an apocalyptic number.

It is an amenable number.

111948249 is a deficient number, since it is larger than the sum of its proper divisors (58639591).

111948249 is an equidigital number, since it uses as much as digits as its factorization.

111948249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5330879.

The product of its digits is 20736, while the sum is 39.

The square root of 111948249 is about 10580.5599568265. The cubic root of 111948249 is about 481.9541989732.

The spelling of 111948249 in words is "one hundred eleven million, nine hundred forty-eight thousand, two hundred forty-nine".