1140453 has 8 divisors (see below), whose sum is σ = 1689600. Its totient is φ = 760284.

The previous prime is 1140449. The next prime is 1140463. The reversal of 1140453 is 3540411.

It is a happy number.

It is not a de Polignac number, because 1140453 - 2² = 1140449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140413) 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 7 ways as a sum of consecutive naturals, for example, 21093 + ... + 21146.

It is an arithmetic number, because the mean of its divisors is an integer number (211200).

2^1140453 is an apocalyptic number.

It is an amenable number.

1140453 is a deficient number, since it is larger than the sum of its proper divisors (549147).

1140453 is an equidigital number, since it uses as much as digits as its factorization.

1140453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42248 (or 42242 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1140453 is about 1067.9199408195. The cubic root of 1140453 is about 104.4782278001.

Adding to 1140453 its reverse (3540411), we get a palindrome (4680864).

The spelling of 1140453 in words is "one million, one hundred forty thousand, four hundred fifty-three".