2127001 has 4 divisors (see below), whose sum is σ = 2156212. Its totient is φ = 2097792.

The previous prime is 2126963. The next prime is 2127007. The reversal of 2127001 is 1007212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1638400 + 488601 = 1280^2 + 699^2 .

It is a cyclic number.

It is not a de Polignac number, because 2127001 - 2¹¹ = 2124953 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2127007) 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, 14496 + ... + 14641.

It is an arithmetic number, because the mean of its divisors is an integer number (539053).

2^2127001 is an apocalyptic number.

It is an amenable number.

2127001 is a deficient number, since it is larger than the sum of its proper divisors (29211).

2127001 is an equidigital number, since it uses as much as digits as its factorization.

2127001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29210.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 2127001 is about 1458.4241495532. The cubic root of 2127001 is about 128.6044208689.

The spelling of 2127001 in words is "two million, one hundred twenty-seven thousand, one".