2129935 has 4 divisors (see below), whose sum is σ = 2555928. Its totient is φ = 1703944.

The previous prime is 2129903. The next prime is 2129951. The reversal of 2129935 is 5399212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2129935 - 2⁵ = 2129903 is a prime.

It is a Duffinian number.

2129935 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2129897 and 2129906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212989 + ... + 212998.

It is an arithmetic number, because the mean of its divisors is an integer number (638982).

2^2129935 is an apocalyptic number.

2129935 is a deficient number, since it is larger than the sum of its proper divisors (425993).

2129935 is an equidigital number, since it uses as much as digits as its factorization.

2129935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425992.

The product of its digits is 4860, while the sum is 31.

The square root of 2129935 is about 1459.4296831297. The cubic root of 2129935 is about 128.6635263118.

The spelling of 2129935 in words is "two million, one hundred twenty-nine thousand, nine hundred thirty-five".