111412320 has 48 divisors (see below), whose sum is σ = 350950320. Its totient is φ = 29709824.

The previous prime is 111412313. The next prime is 111412337. The reversal of 111412320 is 23214111.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111412320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115575 + ... + 116534.

It is an arithmetic number, because the mean of its divisors is an integer number (7311465).

Almost surely, 2^111412320 is an apocalyptic number.

111412320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111412320 is an abundant number, since it is smaller than the sum of its proper divisors (239538000).

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

111412320 is a wasteful number, since it uses less digits than its factorization.

111412320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232127 (or 232119 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 111412320 is about 10555.2034561159. The cubic root of 111412320 is about 481.1838831978.

Adding to 111412320 its reverse (23214111), we get a palindrome (134626431).

The spelling of 111412320 in words is "one hundred eleven million, four hundred twelve thousand, three hundred twenty".