2121935 has 8 divisors (see below), whose sum is σ = 2589840. Its totient is φ = 1668544.

The previous prime is 2121907. The next prime is 2121941. The reversal of 2121935 is 5391212.

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 2121935 - 2¹⁶ = 2056399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2121935.

It is a congruent 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, 3302 + ... + 3891.

It is an arithmetic number, because the mean of its divisors is an integer number (323730).

2^2121935 is an apocalyptic number.

2121935 is a deficient number, since it is larger than the sum of its proper divisors (467905).

2121935 is an equidigital number, since it uses as much as digits as its factorization.

2121935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7257.

The product of its digits is 540, while the sum is 23.

The square root of 2121935 is about 1456.6863080293. The cubic root of 2121935 is about 128.5022381983.

The spelling of 2121935 in words is "two million, one hundred twenty-one thousand, nine hundred thirty-five".