2123274 has 8 divisors (see below), whose sum is σ = 4246560. Its totient is φ = 707756.

The previous prime is 2123263. The next prime is 2123279. The reversal of 2123274 is 4723212.

It is a sphenic number, since it is the product of 3 distinct primes.

2123274 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2123274.

It is not an unprimeable number, because it can be changed into a prime (2123279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176934 + ... + 176945.

It is an arithmetic number, because the mean of its divisors is an integer number (530820).

2^2123274 is an apocalyptic number.

2123274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2123274 is a wasteful number, since it uses less digits than its factorization.

2123274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353884.

The product of its digits is 672, while the sum is 21.

The square root of 2123274 is about 1457.1458403331. The cubic root of 2123274 is about 128.5292620102.

Adding to 2123274 its reverse (4723212), we get a palindrome (6846486).

It can be divided in two parts, 212 and 3274, that added together give a triangular number (3486 = T₈₃).

The spelling of 2123274 in words is "two million, one hundred twenty-three thousand, two hundred seventy-four".