111748240 has 40 divisors (see below), whose sum is σ = 261822528. Its totient is φ = 44353920.

The previous prime is 111748229. The next prime is 111748243. The reversal of 111748240 is 42847111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 111748199 and 111748208.

It is not an unprimeable number, because it can be changed into a prime (111748243) 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, 5149 + ... + 15811.

Almost surely, 2^111748240 is an apocalyptic number.

111748240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111748240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130911264).

111748240 is an abundant number, since it is smaller than the sum of its proper divisors (150074288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111748240 is a wasteful number, since it uses less digits than its factorization.

111748240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10807 (or 10801 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 111748240 is about 10571.1040104617. The cubic root of 111748240 is about 481.6670048382.

The spelling of 111748240 in words is "one hundred eleven million, seven hundred forty-eight thousand, two hundred forty".