2120235 has 32 divisors (see below), whose sum is σ = 3725568. Its totient is φ = 1023360.

The previous prime is 2120231. The next prime is 2120243. The reversal of 2120235 is 5320212.

It is not a de Polignac number, because 2120235 - 2² = 2120231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

2120235 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2120231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16120 + ... + 16250.

It is an arithmetic number, because the mean of its divisors is an integer number (116424).

2^2120235 is an apocalyptic number.

2120235 is a deficient number, since it is larger than the sum of its proper divisors (1605333).

2120235 is a wasteful number, since it uses less digits than its factorization.

2120235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2120235 is about 1456.1026749512. The cubic root of 2120235 is about 128.4679122694.

Adding to 2120235 its reverse (5320212), we get a palindrome (7440447).

The spelling of 2120235 in words is "two million, one hundred twenty thousand, two hundred thirty-five".