1124489 has 4 divisors (see below), whose sum is σ = 1126656. Its totient is φ = 1122324.

The previous prime is 1124449. The next prime is 1124509. The reversal of 1124489 is 9844211.

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: 9844211 = 13 ⋅757247.

It is a cyclic number.

It is not a de Polignac number, because 1124489 - 2²⁰ = 75913 is a prime.

It is a super-2 number, since 2×1124489² = 2528951022242, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10 and base 16.

It is not an unprimeable number, because it can be changed into a prime (1124429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212 + ... + 1514.

It is an arithmetic number, because the mean of its divisors is an integer number (281664).

2^1124489 is an apocalyptic number.

It is an amenable number.

1124489 is a deficient number, since it is larger than the sum of its proper divisors (2167).

1124489 is an equidigital number, since it uses as much as digits as its factorization.

1124489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166.

The product of its digits is 2304, while the sum is 29.

The square root of 1124489 is about 1060.4192567093. The cubic root of 1124489 is about 103.9884417628.

The spelling of 1124489 in words is "one million, one hundred twenty-four thousand, four hundred eighty-nine".