1425479 has 4 divisors (see below), whose sum is σ = 1555080. Its totient is φ = 1295880.

The previous prime is 1425469. The next prime is 1425481. The reversal of 1425479 is 9745241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9745241 = 11 ⋅885931.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1425479 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 (1425439) 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, 64784 + ... + 64805.

It is an arithmetic number, because the mean of its divisors is an integer number (388770).

2^1425479 is an apocalyptic number.

1425479 is a deficient number, since it is larger than the sum of its proper divisors (129601).

1425479 is a wasteful number, since it uses less digits than its factorization.

1425479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129600.

The product of its digits is 10080, while the sum is 32.

The square root of 1425479 is about 1193.9342527962. The cubic root of 1425479 is about 112.5434630418.

The spelling of 1425479 in words is "one million, four hundred twenty-five thousand, four hundred seventy-nine".