111742249 has 8 divisors (see below), whose sum is σ = 121680000. Its totient is φ = 102210192.

The previous prime is 111742237. The next prime is 111742273. The reversal of 111742249 is 942247111.

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 111742249 - 2⁵ = 111742217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111742249.

It is not an unprimeable number, because it can be changed into a prime (111742219) 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, 100849 + ... + 101950.

It is an arithmetic number, because the mean of its divisors is an integer number (15210000).

Almost surely, 2^111742249 is an apocalyptic number.

111742249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

111742249 is a deficient number, since it is larger than the sum of its proper divisors (9937751).

111742249 is a wasteful number, since it uses less digits than its factorization.

111742249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202847.

The product of its digits is 4032, while the sum is 31.

The square root of 111742249 is about 10570.8206398557. The cubic root of 111742249 is about 481.6583970409.

The spelling of 111742249 in words is "one hundred eleven million, seven hundred forty-two thousand, two hundred forty-nine".