111430040 has 16 divisors (see below), whose sum is σ = 250717680. Its totient is φ = 44572000.

The previous prime is 111430021. The next prime is 111430043. The reversal of 111430040 is 40034111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111429997 and 111430024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111430043) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1392836 + ... + 1392915.

It is an arithmetic number, because the mean of its divisors is an integer number (15669855).

Almost surely, 2^111430040 is an apocalyptic number.

111430040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111430040 is an abundant number, since it is smaller than the sum of its proper divisors (139287640).

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

111430040 is a wasteful number, since it uses less digits than its factorization.

111430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785762 (or 2785758 counting only the distinct ones).

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

The square root of 111430040 is about 10556.0428191629. The cubic root of 111430040 is about 481.2093924246.

Adding to 111430040 its reverse (40034111), we get a palindrome (151464151).

The spelling of 111430040 in words is "one hundred eleven million, four hundred thirty thousand, forty".