111420032 has 32 divisors (see below), whose sum is σ = 222518100. Its totient is φ = 55572480.

The previous prime is 111420019. The next prime is 111420097. The reversal of 111420032 is 230024111.

It can be written as a sum of positive squares in 2 ways, for example, as 103713856 + 7706176 = 10184^2 + 2776^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 111419989 and 111420016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68444 + ... + 70052.

Almost surely, 2^111420032 is an apocalyptic number.

It is an amenable number.

111420032 is a deficient number, since it is larger than the sum of its proper divisors (111098068).

111420032 is an equidigital number, since it uses as much as digits as its factorization.

111420032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164 (or 2152 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 111420032 is about 10555.5687672432. The cubic root of 111420032 is about 481.1949855142.

Adding to 111420032 its reverse (230024111), we get a palindrome (341444143).

The spelling of 111420032 in words is "one hundred eleven million, four hundred twenty thousand, thirty-two".