1230453 has 12 divisors (see below), whose sum is σ = 2031328. Its totient is φ = 703080.

The previous prime is 1230433. The next prime is 1230461. The reversal of 1230453 is 3540321.

1230453 is nontrivially palindromic in base 5.

It is not a de Polignac number, because 1230453 - 2⁹ = 1229941 is a prime.

It is a Duffinian number.

1230453 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9703 + ... + 9828.

2^1230453 is an apocalyptic number.

It is an amenable number.

1230453 is a deficient number, since it is larger than the sum of its proper divisors (800875).

1230453 is a wasteful number, since it uses less digits than its factorization.

1230453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19544 (or 19541 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1230453 is about 1109.2578600127. The cubic root of 1230453 is about 107.1572788206.

Adding to 1230453 its reverse (3540321), we get a palindrome (4770774).

The spelling of 1230453 in words is "one million, two hundred thirty thousand, four hundred fifty-three".