1124345 has 4 divisors (see below), whose sum is σ = 1349220. Its totient is φ = 899472.

The previous prime is 1124317. The next prime is 1124351. The reversal of 1124345 is 5434211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 769129 + 355216 = 877^2 + 596^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124345 - 2¹⁶ = 1058809 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112430 + ... + 112439.

It is an arithmetic number, because the mean of its divisors is an integer number (337305).

2^1124345 is an apocalyptic number.

It is an amenable number.

1124345 is a deficient number, since it is larger than the sum of its proper divisors (224875).

1124345 is an equidigital number, since it uses as much as digits as its factorization.

1124345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224874.

The product of its digits is 480, while the sum is 20.

The square root of 1124345 is about 1060.3513568624. The cubic root of 1124345 is about 103.9840027169.

Adding to 1124345 its reverse (5434211), we get a palindrome (6558556).

The spelling of 1124345 in words is "one million, one hundred twenty-four thousand, three hundred forty-five".