1124455 has 4 divisors (see below), whose sum is σ = 1349352. Its totient is φ = 899560.

The previous prime is 1124449. The next prime is 1124509. The reversal of 1124455 is 5544211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5544211 = 181 ⋅30631.

It is not a de Polignac number, because 1124455 - 2⁵ = 1124423 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent 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, 112441 + ... + 112450.

It is an arithmetic number, because the mean of its divisors is an integer number (337338).

2^1124455 is an apocalyptic number.

1124455 is a deficient number, since it is larger than the sum of its proper divisors (224897).

1124455 is an equidigital number, since it uses as much as digits as its factorization.

1124455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224896.

The product of its digits is 800, while the sum is 22.

The square root of 1124455 is about 1060.4032251931. The cubic root of 1124455 is about 103.9873936890.

Adding to 1124455 its reverse (5544211), we get a palindrome (6668666).

The spelling of 1124455 in words is "one million, one hundred twenty-four thousand, four hundred fifty-five".