1427001 has 8 divisors (see below), whose sum is σ = 1908960. Its totient is φ = 948192.

The previous prime is 1426991. The next prime is 1427017. The reversal of 1427001 is 1007241.

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

It is not a de Polignac number, because 1427001 - 2⁵ = 1426969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1427021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646 + ... + 1808.

It is an arithmetic number, because the mean of its divisors is an integer number (238620).

2^1427001 is an apocalyptic number.

It is an amenable number.

1427001 is a deficient number, since it is larger than the sum of its proper divisors (481959).

1427001 is a wasteful number, since it uses less digits than its factorization.

1427001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1427001 is about 1194.5714712816. The cubic root of 1427001 is about 112.5835034361.

The spelling of 1427001 in words is "one million, four hundred twenty-seven thousand, one".