1425243 has 4 divisors (see below), whose sum is σ = 1900328. Its totient is φ = 950160.

The previous prime is 1425227. The next prime is 1425251. The reversal of 1425243 is 3425241.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1425243 - 2⁴ = 1425227 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425253) 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, 237538 + ... + 237543.

It is an arithmetic number, because the mean of its divisors is an integer number (475082).

2^1425243 is an apocalyptic number.

1425243 is a deficient number, since it is larger than the sum of its proper divisors (475085).

1425243 is an equidigital number, since it uses as much as digits as its factorization.

1425243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475084.

The product of its digits is 960, while the sum is 21.

The square root of 1425243 is about 1193.8354157923. The cubic root of 1425243 is about 112.5372518610.

The spelling of 1425243 in words is "one million, four hundred twenty-five thousand, two hundred forty-three".