111042930 has 64 divisors (see below), whose sum is σ = 277401600. Its totient is φ = 28416960.

The previous prime is 111042923. The next prime is 111042937. The reversal of 111042930 is 39240111.

It is an interprime number because it is at equal distance from previous prime (111042923) and next prime (111042937).

It is a junction number, because it is equal to n+sod(n) for n = 111042897 and 111042906.

It is not an unprimeable number, because it can be changed into a prime (111042937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128841 + ... + 129699.

It is an arithmetic number, because the mean of its divisors is an integer number (4334400).

Almost surely, 2^111042930 is an apocalyptic number.

111042930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111042930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138700800).

111042930 is an abundant number, since it is smaller than the sum of its proper divisors (166358670).

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

111042930 is a wasteful number, since it uses less digits than its factorization.

111042930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 111042930 is about 10537.6909235373. The cubic root of 111042930 is about 480.6515024705.

The spelling of 111042930 in words is "one hundred eleven million, forty-two thousand, nine hundred thirty".