2085129 has 16 divisors (see below), whose sum is σ = 3196800. Its totient is φ = 1341648.

The previous prime is 2085121. The next prime is 2085131. The reversal of 2085129 is 9215802.

It is not a de Polignac number, because 2085129 - 2³ = 2085121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2085121) 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 15 ways as a sum of consecutive naturals, for example, 549 + ... + 2114.

It is an arithmetic number, because the mean of its divisors is an integer number (199800).

2^2085129 is an apocalyptic number.

2085129 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2085129 is a deficient number, since it is larger than the sum of its proper divisors (1111671).

2085129 is a wasteful number, since it uses less digits than its factorization.

2085129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2701 (or 2695 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2085129 is about 1443.9975761753. The cubic root of 2085129 is about 127.7549224962.

The spelling of 2085129 in words is "two million, eighty-five thousand, one hundred twenty-nine".