1112489 has 4 divisors (see below), whose sum is σ = 1271424. Its totient is φ = 953556.

The previous prime is 1112483. The next prime is 1112509. The reversal of 1112489 is 9842111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9842111 = 37 ⋅266003.

It is a cyclic number.

It is not a de Polignac number, because 1112489 - 2²⁰ = 63913 is a prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1112483) 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 3 ways as a sum of consecutive naturals, for example, 79457 + ... + 79470.

It is an arithmetic number, because the mean of its divisors is an integer number (317856).

2^1112489 is an apocalyptic number.

It is an amenable number.

1112489 is a deficient number, since it is larger than the sum of its proper divisors (158935).

1112489 is an equidigital number, since it uses as much as digits as its factorization.

1112489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158934.

The product of its digits is 576, while the sum is 26.

The square root of 1112489 is about 1054.7459409735. The cubic root of 1112489 is about 103.6172133908.

The spelling of 1112489 in words is "one million, one hundred twelve thousand, four hundred eighty-nine".