111420324 has 36 divisors (see below), whose sum is σ = 290734080. Its totient is φ = 35941680.

The previous prime is 111420307. The next prime is 111420341. The reversal of 111420324 is 423024111.

It is an interprime number because it is at equal distance from previous prime (111420307) and next prime (111420341).

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 111420297 and 111420306.

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 11 ways as a sum of consecutive naturals, for example, 48804 + ... + 51035.

Almost surely, 2^111420324 is an apocalyptic number.

It is an amenable number.

111420324 is an abundant number, since it is smaller than the sum of its proper divisors (179313756).

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

111420324 is a wasteful number, since it uses less digits than its factorization.

111420324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99880 (or 99875 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 111420324 is about 10555.5825987958. The cubic root of 111420324 is about 481.1954058719.

Adding to 111420324 its reverse (423024111), we get a palindrome (534444435).

The spelling of 111420324 in words is "one hundred eleven million, four hundred twenty thousand, three hundred twenty-four".