111193434 has 72 divisors (see below), whose sum is σ = 278853120. Its totient is φ = 31909680.

The previous prime is 111193427. The next prime is 111193441. The reversal of 111193434 is 434391111.

It is an interprime number because it is at equal distance from previous prime (111193427) and next prime (111193441).

It is a junction number, because it is equal to n+sod(n) for n = 111193398 and 111193407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40039 + ... + 42725.

It is an arithmetic number, because the mean of its divisors is an integer number (3872960).

Almost surely, 2^111193434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111193434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139426560).

111193434 is an abundant number, since it is smaller than the sum of its proper divisors (167659686).

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

111193434 is a wasteful number, since it uses less digits than its factorization.

111193434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736 (or 2722 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 111193434 is about 10544.8297283550. The cubic root of 111193434 is about 480.8685576097.

The spelling of 111193434 in words is "one hundred eleven million, one hundred ninety-three thousand, four hundred thirty-four".