2071145 has 8 divisors (see below), whose sum is σ = 2493504. Its totient is φ = 1651504.

The previous prime is 2071123. The next prime is 2071159. The reversal of 2071145 is 5411702.

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

It is a cyclic number.

It is not a de Polignac number, because 2071145 - 2¹⁴ = 2054761 is a prime.

It is a super-2 number, since 2×2071145² = 8579283222050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892 + ... + 2778.

It is an arithmetic number, because the mean of its divisors is an integer number (311688).

2^2071145 is an apocalyptic number.

It is an amenable number.

2071145 is a deficient number, since it is larger than the sum of its proper divisors (422359).

2071145 is an equidigital number, since it uses as much as digits as its factorization.

2071145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 2071145 is about 1439.1473169902. The cubic root of 2071145 is about 127.4686838377.

Adding to 2071145 its reverse (5411702), we get a palindrome (7482847).

The spelling of 2071145 in words is "two million, seventy-one thousand, one hundred forty-five".