611112 has 16 divisors (see below), whose sum is σ = 1527840. Its totient is φ = 203696.

The previous prime is 611111. The next prime is 611113. The reversal of 611112 is 211116.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (611111) and next prime (611113).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 611112.

It is not an unprimeable number, because it can be changed into a prime (611111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12708 + ... + 12755.

It is an arithmetic number, because the mean of its divisors is an integer number (95490).

2⁶¹¹¹¹² is an apocalyptic number.

It is an amenable number.

611112 is an abundant number, since it is smaller than the sum of its proper divisors (916728).

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

611112 is a wasteful number, since it uses less digits than its factorization.

611112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25472 (or 25468 counting only the distinct ones).

The product of its digits is 12, while the sum is 12.

The square root of 611112 is about 781.7365285056. The cubic root of 611112 is about 84.8607639722.

Adding to 611112 its reverse (211116), we get a palindrome (822228).

The spelling of 611112 in words is "six hundred eleven thousand, one hundred twelve".