1112890 has 16 divisors (see below), whose sum is σ = 2023560. Its totient is φ = 440640.

The previous prime is 1112857. The next prime is 1112897. The reversal of 1112890 is 982111.

It can be written as a sum of positive squares in 4 ways, for example, as 1002001 + 110889 = 1001^2 + 333^2 .

It is not an unprimeable number, because it can be changed into a prime (1112897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580 + ... + 1600.

2^1112890 is an apocalyptic number.

1112890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1112890 is a deficient number, since it is larger than the sum of its proper divisors (910670).

1112890 is a wasteful number, since it uses less digits than its factorization.

1112890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 1112890 is about 1054.9360170171. The cubic root of 1112890 is about 103.6296616071.

It can be divided in two parts, 1112 and 890, that added together give a palindrome (2002).

The spelling of 1112890 in words is "one million, one hundred twelve thousand, eight hundred ninety".