111420360 has 112 divisors (see below), whose sum is σ = 375970140. Its totient is φ = 29704320.

The previous prime is 111420359. The next prime is 111420377. The reversal of 111420360 is 63024111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 108618084 + 2802276 = 10422^2 + 1674^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 27 ways as a sum of consecutive naturals, for example, 27250 + ... + 31070.

Almost surely, 2^111420360 is an apocalyptic number.

111420360 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 111420360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187985070).

111420360 is an abundant number, since it is smaller than the sum of its proper divisors (264549780).

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

111420360 is an equidigital number, since it uses as much as digits as its factorization.

111420360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850 (or 3831 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 111420360 is about 10555.5843040544. The cubic root of 111420360 is about 481.1954576968.

Adding to 111420360 its reverse (63024111), we get a palindrome (174444471).

The spelling of 111420360 in words is "one hundred eleven million, four hundred twenty thousand, three hundred sixty".