2126705 has 8 divisors (see below), whose sum is σ = 2916672. Its totient is φ = 1458288.

The previous prime is 2126687. The next prime is 2126749. The reversal of 2126705 is 5076212.

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 2126705 - 2¹⁰ = 2125681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30347 + ... + 30416.

It is an arithmetic number, because the mean of its divisors is an integer number (364584).

2^2126705 is an apocalyptic number.

It is an amenable number.

2126705 is a deficient number, since it is larger than the sum of its proper divisors (789967).

2126705 is an equidigital number, since it uses as much as digits as its factorization.

2126705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60775.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2126705 is about 1458.3226666277. The cubic root of 2126705 is about 128.5984549299.

The spelling of 2126705 in words is "two million, one hundred twenty-six thousand, seven hundred five".