2007021 has 8 divisors (see below), whose sum is σ = 2695840. Its totient is φ = 1328112.

The previous prime is 2007013. The next prime is 2007029. The reversal of 2007021 is 1207002.

It is an interprime number because it is at equal distance from previous prime (2007013) and next prime (2007029).

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

It is not a de Polignac number, because 2007021 - 2³ = 2007013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2006988 and 2007006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2007029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1990 + ... + 2823.

It is an arithmetic number, because the mean of its divisors is an integer number (336980).

2^2007021 is an apocalyptic number.

It is an amenable number.

2007021 is a deficient number, since it is larger than the sum of its proper divisors (688819).

2007021 is a wasteful number, since it uses less digits than its factorization.

2007021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4955.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 2007021 is about 1416.6936860168. The cubic root of 2007021 is about 126.1393645670.

The spelling of 2007021 in words is "two million, seven thousand, twenty-one".