1112490 has 48 divisors (see below), whose sum is σ = 2965248. Its totient is φ = 289248.

The previous prime is 1112483. The next prime is 1112509. The reversal of 1112490 is 942111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4099 + ... + 4361.

It is an arithmetic number, because the mean of its divisors is an integer number (61776).

2^1112490 is an apocalyptic number.

1112490 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 1112490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1482624).

1112490 is an abundant number, since it is smaller than the sum of its proper divisors (1852758).

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

1112490 is a wasteful number, since it uses less digits than its factorization.

1112490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1112490 is about 1054.7464150212. The cubic root of 1112490 is about 103.6172444374.

It can be divided in two parts, 111 and 2490, that added together give a square (2601 = 51²).

The spelling of 1112490 in words is "one million, one hundred twelve thousand, four hundred ninety".