1112100 has 72 divisors (see below), whose sum is σ = 3520608. Its totient is φ = 268800.

The previous prime is 1112093. The next prime is 1112107. The reversal of 1112100 is 12111.

It is an interprime number because it is at equal distance from previous prime (1112093) and next prime (1112107).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (1112107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3132 + ... + 3468.

2^1112100 is an apocalyptic number.

1112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1760304).

1112100 is an abundant number, since it is smaller than the sum of its proper divisors (2408508).

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

1112100 is a wasteful number, since it uses less digits than its factorization.

1112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 1112100 is about 1054.5615202538. The cubic root of 1112100 is about 103.6051348309.

Adding to 1112100 its reverse (12111), we get a palindrome (1124211).

It can be divided in two parts, 111 and 2100, that added together give a triangular number (2211 = T₆₆).

The spelling of 1112100 in words is "one million, one hundred twelve thousand, one hundred".