111842240 has 28 divisors (see below), whose sum is σ = 266325096. Its totient is φ = 44736768.

The previous prime is 111842233. The next prime is 111842257. The reversal of 111842240 is 42248111.

It is a congruent number.

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, 174434 + ... + 175073.

Almost surely, 2^111842240 is an apocalyptic number.

111842240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111842240 is an abundant number, since it is smaller than the sum of its proper divisors (154482856).

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

111842240 is an equidigital number, since it uses as much as digits as its factorization.

111842240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349524 (or 349514 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 111842240 is about 10575.5491583180. The cubic root of 111842240 is about 481.8020226519.

The spelling of 111842240 in words is "one hundred eleven million, eight hundred forty-two thousand, two hundred forty".