111142040 has 32 divisors (see below), whose sum is σ = 251739360. Its totient is φ = 44160000.

The previous prime is 111142033. The next prime is 111142067. The reversal of 111142040 is 40241111.

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, 3161 + ... + 15240.

It is an arithmetic number, because the mean of its divisors is an integer number (7866855).

Almost surely, 2^111142040 is an apocalyptic number.

111142040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111142040 is an abundant number, since it is smaller than the sum of its proper divisors (140597320).

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

111142040 is a wasteful number, since it uses less digits than its factorization.

111142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18563 (or 18559 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 111142040 is about 10542.3925178301. The cubic root of 111142040 is about 480.7944598075.

Adding to 111142040 its reverse (40241111), we get a palindrome (151383151).

The spelling of 111142040 in words is "one hundred eleven million, one hundred forty-two thousand, forty".