16122125 has 16 divisors (see below), whose sum is σ = 20335536. Its totient is φ = 12760000.

The previous prime is 16122109. The next prime is 16122131. The reversal of 16122125 is 52122161.

It can be written as a sum of positive squares in 8 ways, for example, as 857476 + 15264649 = 926^2 + 3907^2 .

It is not a de Polignac number, because 16122125 - 2⁴ = 16122109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16122097 and 16122106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11987 + ... + 13263.

It is an arithmetic number, because the mean of its divisors is an integer number (1270971).

Almost surely, 2^16122125 is an apocalyptic number.

It is an amenable number.

16122125 is a deficient number, since it is larger than the sum of its proper divisors (4213411).

16122125 is a wasteful number, since it uses less digits than its factorization.

16122125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393 (or 1383 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 16122125 is about 4015.2366057307. The cubic root of 16122125 is about 252.6237017639.

Adding to 16122125 its reverse (52122161), we get a palindrome (68244286).

The spelling of 16122125 in words is "sixteen million, one hundred twenty-two thousand, one hundred twenty-five".