111248389 has 8 divisors (see below), whose sum is σ = 129846528. Its totient is φ = 93326640.

The previous prime is 111248383. The next prime is 111248399. The reversal of 111248389 is 983842111.

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 111248389 - 2⁷ = 111248261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111248383) 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, 168742 + ... + 169399.

It is an arithmetic number, because the mean of its divisors is an integer number (16230816).

Almost surely, 2^111248389 is an apocalyptic number.

It is an amenable number.

111248389 is a deficient number, since it is larger than the sum of its proper divisors (18598139).

111248389 is an equidigital number, since it uses as much as digits as its factorization.

111248389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338195.

The product of its digits is 13824, while the sum is 37.

The square root of 111248389 is about 10547.4351858639. The cubic root of 111248389 is about 480.9477642628.

The spelling of 111248389 in words is "one hundred eleven million, two hundred forty-eight thousand, three hundred eighty-nine".