1100453 has 4 divisors (see below), whose sum is σ = 1106988. Its totient is φ = 1093920.

The previous prime is 1100447. The next prime is 1100467. The reversal of 1100453 is 3540011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3540011 = 199 ⋅17789.

It can be written as a sum of positive squares in 2 ways, for example, as 667489 + 432964 = 817^2 + 658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3008 + ... + 3353.

It is an arithmetic number, because the mean of its divisors is an integer number (276747).

2^1100453 is an apocalyptic number.

It is an amenable number.

1100453 is a deficient number, since it is larger than the sum of its proper divisors (6535).

1100453 is an equidigital number, since it uses as much as digits as its factorization.

1100453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6534.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1100453 is about 1049.0247852172. The cubic root of 1100453 is about 103.2421799915.

Adding to 1100453 its reverse (3540011), we get a palindrome (4640464).

The spelling of 1100453 in words is "one million, one hundred thousand, four hundred fifty-three".