1426001 has 4 divisors (see below), whose sum is σ = 1436400. Its totient is φ = 1415604.

The previous prime is 1425973. The next prime is 1426003. The reversal of 1426001 is 1006241.

1426001 = 24² + 25² + ... + 162².

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1426001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426003) 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, 4991 + ... + 5268.

It is an arithmetic number, because the mean of its divisors is an integer number (359100).

2^1426001 is an apocalyptic number.

It is an amenable number.

1426001 is a deficient number, since it is larger than the sum of its proper divisors (10399).

1426001 is a wasteful number, since it uses less digits than its factorization.

1426001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10398.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1426001 is about 1194.1528377892. The cubic root of 1426001 is about 112.5571988967.

The spelling of 1426001 in words is "one million, four hundred twenty-six thousand, one".