1112500 has 36 divisors (see below), whose sum is σ = 2460780. Its totient is φ = 440000.

The previous prime is 1112483. The next prime is 1112509. The reversal of 1112500 is 52111.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1036324 + 76176 = 1018^2 + 276^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12456 + ... + 12544.

It is an arithmetic number, because the mean of its divisors is an integer number (68355).

2^1112500 is an apocalyptic number.

1112500 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 1112500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1230390).

1112500 is an abundant number, since it is smaller than the sum of its proper divisors (1348280).

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

1112500 is an frugal number, since it uses more digits than its factorization.

1112500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 1112500 is about 1054.7511554864. The cubic root of 1112500 is about 103.6175549030.

Adding to 1112500 its reverse (52111), we get a palindrome (1164611).

The spelling of 1112500 in words is "one million, one hundred twelve thousand, five hundred".