111380042 has 8 divisors (see below), whose sum is σ = 169358916. Its totient is φ = 54927072.

The previous prime is 111380021. The next prime is 111380069. The reversal of 111380042 is 240083111.

It can be written as a sum of positive squares in 2 ways, for example, as 98982601 + 12397441 = 9949^2 + 3521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 111379996 and 111380023.

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, 381293 + ... + 381584.

Almost surely, 2^111380042 is an apocalyptic number.

111380042 is a deficient number, since it is larger than the sum of its proper divisors (57978874).

111380042 is an equidigital number, since it uses as much as digits as its factorization.

111380042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762952.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 111380042 is about 10553.6743364574. The cubic root of 111380042 is about 481.1374097212.

The spelling of 111380042 in words is "one hundred eleven million, three hundred eighty thousand, forty-two".