1245453 has 24 divisors (see below), whose sum is σ = 1889664. Its totient is φ = 728640.

The previous prime is 1245451. The next prime is 1245479. The reversal of 1245453 is 3545421.

It is not a de Polignac number, because 1245453 - 2¹ = 1245451 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17025 + ... + 17097.

It is an arithmetic number, because the mean of its divisors is an integer number (78736).

2^1245453 is an apocalyptic number.

It is an amenable number.

1245453 is a deficient number, since it is larger than the sum of its proper divisors (644211).

1245453 is a wasteful number, since it uses less digits than its factorization.

1245453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 134 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 1245453 is about 1115.9986559132. The cubic root of 1245453 is about 107.5909596105.

Subtracting 1245453 from its reverse (3545421), we obtain a cube (2299968 = 132³).

The spelling of 1245453 in words is "one million, two hundred forty-five thousand, four hundred fifty-three".