2154125 has 16 divisors (see below), whose sum is σ = 2832960. Its totient is φ = 1630800.

The previous prime is 2154109. The next prime is 2154127. The reversal of 2154125 is 5214512.

2154125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2154125 - 2⁴ = 2154109 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2154097 and 2154106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1922 + ... + 2828.

It is an arithmetic number, because the mean of its divisors is an integer number (177060).

2^2154125 is an apocalyptic number.

2154125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2154125 is a deficient number, since it is larger than the sum of its proper divisors (678835).

2154125 is an equidigital number, since it uses as much as digits as its factorization.

2154125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941 (or 931 counting only the distinct ones).

The product of its digits is 400, while the sum is 20.

The square root of 2154125 is about 1467.6937691494. The cubic root of 2154125 is about 129.1487777284.

Adding to 2154125 its reverse (5214512), we get a palindrome (7368637).

The spelling of 2154125 in words is "two million, one hundred fifty-four thousand, one hundred twenty-five".