1424245 has 8 divisors (see below), whose sum is σ = 1715616. Its totient is φ = 1135056.

The previous prime is 1424237. The next prime is 1424257. The reversal of 1424245 is 5424241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1424245 - 2³ = 1424237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1894 + ... + 2536.

It is an arithmetic number, because the mean of its divisors is an integer number (214452).

2^1424245 is an apocalyptic number.

It is an amenable number.

1424245 is a deficient number, since it is larger than the sum of its proper divisors (291371).

1424245 is an equidigital number, since it uses as much as digits as its factorization.

1424245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091.

The product of its digits is 1280, while the sum is 22.

The square root of 1424245 is about 1193.4173620322. The cubic root of 1424245 is about 112.5109783525.

Adding to 1424245 its reverse (5424241), we get a palindrome (6848486).

The spelling of 1424245 in words is "one million, four hundred twenty-four thousand, two hundred forty-five".