2124342 has 24 divisors (see below), whose sum is σ = 5021640. Its totient is φ = 643680.

The previous prime is 2124323. The next prime is 2124359. The reversal of 2124342 is 2434212.

It is a super-3 number, since 3×2124342³ = 28760376123331829064, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5167 + ... + 5562.

It is an arithmetic number, because the mean of its divisors is an integer number (209235).

2^2124342 is an apocalyptic number.

2124342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2124342 is an abundant number, since it is smaller than the sum of its proper divisors (2897298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2124342 is a wasteful number, since it uses less digits than its factorization.

2124342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10748 (or 10745 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 2124342 is about 1457.5122640993. The cubic root of 2124342 is about 128.5508083333.

Adding to 2124342 its reverse (2434212), we get a palindrome (4558554).

It can be divided in two parts, 212 and 4342, that added together give a palindrome (4554).

The spelling of 2124342 in words is "two million, one hundred twenty-four thousand, three hundred forty-two".