1424001 has 4 divisors (see below), whose sum is σ = 1898672. Its totient is φ = 949332.

The previous prime is 1423997. The next prime is 1424021. The reversal of 1424001 is 1004241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1424001 - 2² = 1423997 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1424021) 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, 237331 + ... + 237336.

It is an arithmetic number, because the mean of its divisors is an integer number (474668).

2^1424001 is an apocalyptic number.

It is an amenable number.

1424001 is a deficient number, since it is larger than the sum of its proper divisors (474671).

1424001 is an equidigital number, since it uses as much as digits as its factorization.

1424001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474670.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1424001 is about 1193.3151302150. The cubic root of 1424001 is about 112.5045529022.

Adding to 1424001 its reverse (1004241), we get a palindrome (2428242).

The spelling of 1424001 in words is "one million, four hundred twenty-four thousand, one".