2127105 has 12 divisors (see below), whose sum is σ = 3687060. Its totient is φ = 1134432.

The previous prime is 2127077. The next prime is 2127133. The reversal of 2127105 is 5017212.

It is an interprime number because it is at equal distance from previous prime (2127077) and next prime (2127133).

It can be written as a sum of positive squares in 2 ways, for example, as 288369 + 1838736 = 537^2 + 1356^2 .

It is not a de Polignac number, because 2127105 - 2⁸ = 2126849 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23590 + ... + 23679.

It is an arithmetic number, because the mean of its divisors is an integer number (307255).

2^2127105 is an apocalyptic number.

It is an amenable number.

2127105 is a deficient number, since it is larger than the sum of its proper divisors (1559955).

2127105 is a wasteful number, since it uses less digits than its factorization.

2127105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47280 (or 47277 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 2127105 is about 1458.4598040399. The cubic root of 2127105 is about 128.6065168782.

The spelling of 2127105 in words is "two million, one hundred twenty-seven thousand, one hundred five".