2971105 has 12 divisors (see below), whose sum is σ = 3656340. Its totient is φ = 2317664.

The previous prime is 2971103. The next prime is 2971121. The reversal of 2971105 is 5011792.

It can be written as a sum of positive squares in 2 ways, for example, as 565504 + 2405601 = 752^2 + 1551^2 .

It is not a de Polignac number, because 2971105 - 2¹ = 2971103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2971105.

It is not an unprimeable number, because it can be changed into a prime (2971103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10911 + ... + 11179.

It is an arithmetic number, because the mean of its divisors is an integer number (304695).

2^2971105 is an apocalyptic number.

It is an amenable number.

2971105 is a deficient number, since it is larger than the sum of its proper divisors (685235).

2971105 is an equidigital number, since it uses as much as digits as its factorization.

2971105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 2971105 is about 1723.6893571639. The cubic root of 2971105 is about 143.7604201646.

Adding to 2971105 its reverse (5011792), we get a palindrome (7982897).

The spelling of 2971105 in words is "two million, nine hundred seventy-one thousand, one hundred five".