2120342 has 32 divisors (see below), whose sum is σ = 3939840. Its totient is φ = 835200.

The previous prime is 2120341. The next prime is 2120351. The reversal of 2120342 is 2430212.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13967 + ... + 14117.

It is an arithmetic number, because the mean of its divisors is an integer number (123120).

2^2120342 is an apocalyptic number.

2120342 is a deficient number, since it is larger than the sum of its proper divisors (1819498).

2120342 is a wasteful number, since it uses less digits than its factorization.

2120342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2120342 is about 1456.1394164022. The cubic root of 2120342 is about 128.4700733248.

Adding to 2120342 its reverse (2430212), we get a palindrome (4550554).

The spelling of 2120342 in words is "two million, one hundred twenty thousand, three hundred forty-two".