1120453 has 6 divisors (see below), whose sum is σ = 1190546. Its totient is φ = 1054272.

The previous prime is 1120429. The next prime is 1120459. The reversal of 1120453 is 3540211.

It can be written as a sum of positive squares in 3 ways, for example, as 315844 + 804609 = 562^2 + 897^2 .

It is not a de Polignac number, because 1120453 - 2¹⁷ = 989381 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 (1120459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1650 + ... + 2227.

2^1120453 is an apocalyptic number.

It is an amenable number.

1120453 is a deficient number, since it is larger than the sum of its proper divisors (70093).

1120453 is an equidigital number, since it uses as much as digits as its factorization.

1120453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911 (or 3894 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1120453 is about 1058.5145251720. The cubic root of 1120453 is about 103.8638813392.

Adding to 1120453 its reverse (3540211), we get a palindrome (4660664).

The spelling of 1120453 in words is "one million, one hundred twenty thousand, four hundred fifty-three".