2342121 has 4 divisors (see below), whose sum is σ = 3122832. Its totient is φ = 1561412.

The previous prime is 2342101. The next prime is 2342129. The reversal of 2342121 is 1212432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2342121 - 2⁷ = 2341993 is a prime.

It is a super-3 number, since 3×2342121³ = 38543330498404312683, which contains 333 as substring.

It is a D-number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2342121.

It is not an unprimeable number, because it can be changed into a prime (2342129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390351 + ... + 390356.

It is an arithmetic number, because the mean of its divisors is an integer number (780708).

2^2342121 is an apocalyptic number.

It is an amenable number.

2342121 is a deficient number, since it is larger than the sum of its proper divisors (780711).

2342121 is an equidigital number, since it uses as much as digits as its factorization.

2342121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780710.

The product of its digits is 96, while the sum is 15.

The square root of 2342121 is about 1530.3989675898. The cubic root of 2342121 is about 132.8015394231.

Adding to 2342121 its reverse (1212432), we get a palindrome (3554553).

It can be divided in two parts, 2342 and 121, that multiplied together give a palindrome (283382).

The spelling of 2342121 in words is "two million, three hundred forty-two thousand, one hundred twenty-one".