2705129 has 8 divisors (see below), whose sum is σ = 3102720. Its totient is φ = 2310336.

The previous prime is 2705113. The next prime is 2705137. The reversal of 2705129 is 9215072.

2705129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2705129 - 2⁴ = 2705113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2705098 and 2705107.

It is not an unprimeable number, because it can be changed into a prime (2705189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2177 + ... + 3185.

It is an arithmetic number, because the mean of its divisors is an integer number (387840).

2^2705129 is an apocalyptic number.

It is an amenable number.

2705129 is a deficient number, since it is larger than the sum of its proper divisors (397591).

2705129 is a wasteful number, since it uses less digits than its factorization.

2705129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 2705129 is about 1644.7276370269. The cubic root of 2705129 is about 139.3357822320.

The spelling of 2705129 in words is "two million, seven hundred five thousand, one hundred twenty-nine".