1124445 has 16 divisors (see below), whose sum is σ = 2056320. Its totient is φ = 513984.

The previous prime is 1124443. The next prime is 1124449. The reversal of 1124445 is 5444211.

It is a happy number.

It is not a de Polignac number, because 1124445 - 2¹ = 1124443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5250 + ... + 5459.

It is an arithmetic number, because the mean of its divisors is an integer number (128520).

2^1124445 is an apocalyptic number.

1124445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1124445 is a deficient number, since it is larger than the sum of its proper divisors (931875).

1124445 is a wasteful number, since it uses less digits than its factorization.

1124445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10724.

The product of its digits is 640, while the sum is 21.

The square root of 1124445 is about 1060.3985099952. The cubic root of 1124445 is about 103.9870854279.

Adding to 1124445 its reverse (5444211), we get a palindrome (6568656).

The spelling of 1124445 in words is "one million, one hundred twenty-four thousand, four hundred forty-five".