1112289 has 8 divisors (see below), whose sum is σ = 1519392. Its totient is φ = 723360.

The previous prime is 1112273. The next prime is 1112291. The reversal of 1112289 is 9822111.

1112289 = T₁₂₂ + T₁₂₃ + ... + T₂₀₃.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1112289 - 2⁴ = 1112273 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

1112289 is a lucky number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1112239) 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, 4399 + ... + 4644.

It is an arithmetic number, because the mean of its divisors is an integer number (189924).

2^1112289 is an apocalyptic number.

It is an amenable number.

1112289 is a deficient number, since it is larger than the sum of its proper divisors (407103).

1112289 is an equidigital number, since it uses as much as digits as its factorization.

1112289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9087.

The product of its digits is 288, while the sum is 24.

The square root of 1112289 is about 1054.6511271506. The cubic root of 1112289 is about 103.6110036860.

It can be divided in two parts, 11122 and 89, that added together give a palindrome (11211).

The spelling of 1112289 in words is "one million, one hundred twelve thousand, two hundred eighty-nine".