111944019 has 8 divisors (see below), whose sum is σ = 162827712. Its totient is φ = 67844840.

The previous prime is 111943961. The next prime is 111944033. The reversal of 111944019 is 910449111.

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

It is a cyclic number.

It is not a de Polignac number, because 111944019 - 2¹² = 111939923 is a prime.

It is a super-2 number, since 2×111944019² = 25062926779744722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111944039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1696089 + ... + 1696154.

It is an arithmetic number, because the mean of its divisors is an integer number (20353464).

Almost surely, 2^111944019 is an apocalyptic number.

111944019 is a deficient number, since it is larger than the sum of its proper divisors (50883693).

111944019 is a wasteful number, since it uses less digits than its factorization.

111944019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392257.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 111944019 is about 10580.3600600358. The cubic root of 111944019 is about 481.9481286328.

The spelling of 111944019 in words is "one hundred eleven million, nine hundred forty-four thousand, nineteen".