111374720 has 64 divisors (see below), whose sum is σ = 269047440. Its totient is φ = 44083200.

The previous prime is 111374693. The next prime is 111374729. The reversal of 111374720 is 27473111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 111374720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111374729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63779 + ... + 65501.

Almost surely, 2^111374720 is an apocalyptic number.

111374720 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 111374720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134523720).

111374720 is an abundant number, since it is smaller than the sum of its proper divisors (157672720).

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

111374720 is a wasteful number, since it uses less digits than its factorization.

111374720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843 (or 1831 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 111374720 is about 10553.4221937720. The cubic root of 111374720 is about 481.1297463073.

It can be divided in two parts, 11 and 1374720, that added together give a palindrome (1374731).

The spelling of 111374720 in words is "one hundred eleven million, three hundred seventy-four thousand, seven hundred twenty".