2153124 has 18 divisors (see below), whose sum is σ = 5442710. Its totient is φ = 717696.

The previous prime is 2153113. The next prime is 2153149. The reversal of 2153124 is 4213512.

It can be written as a sum of positive squares in only one way, i.e., 2073600 + 79524 = 1440^2 + 282^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a junction number, because it is equal to n+sod(n) for n = 2153097 and 2153106.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29869 + ... + 29940.

2^2153124 is an apocalyptic number.

It is an amenable number.

2153124 is an abundant number, since it is smaller than the sum of its proper divisors (3289586).

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

2153124 is a wasteful number, since it uses less digits than its factorization.

2153124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59819 (or 59814 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 2153124 is about 1467.3527183333. The cubic root of 2153124 is about 129.1287699207.

Adding to 2153124 its reverse (4213512), we get a palindrome (6366636).

The spelling of 2153124 in words is "two million, one hundred fifty-three thousand, one hundred twenty-four".