111430420 has 24 divisors (see below), whose sum is σ = 238984704. Its totient is φ = 43623456.

The previous prime is 111430411. The next prime is 111430463. The reversal of 111430420 is 24034111.

It is a junction number, because it is equal to n+sod(n) for n = 111430394 and 111430403.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 58332 + ... + 60211.

It is an arithmetic number, because the mean of its divisors is an integer number (9957696).

Almost surely, 2^111430420 is an apocalyptic number.

111430420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111430420 is an abundant number, since it is smaller than the sum of its proper divisors (127554284).

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

111430420 is a wasteful number, since it uses less digits than its factorization.

111430420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118599 (or 118597 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 111430420 is about 10556.0608183167. The cubic root of 111430420 is about 481.2099394325.

Adding to 111430420 its reverse (24034111), we get a palindrome (135464531).

The spelling of 111430420 in words is "one hundred eleven million, four hundred thirty thousand, four hundred twenty".