2124856 has 8 divisors (see below), whose sum is σ = 3984120. Its totient is φ = 1062424.

The previous prime is 2124853. The next prime is 2124869. The reversal of 2124856 is 6584212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132796 + ... + 132811.

It is an arithmetic number, because the mean of its divisors is an integer number (498015).

2^2124856 is an apocalyptic number.

It is an amenable number.

2124856 is a deficient number, since it is larger than the sum of its proper divisors (1859264).

2124856 is a wasteful number, since it uses less digits than its factorization.

2124856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265613 (or 265609 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 2124856 is about 1457.6885812820. The cubic root of 2124856 is about 128.5611754316.

The spelling of 2124856 in words is "two million, one hundred twenty-four thousand, eight hundred fifty-six".