4099125 has 32 divisors (see below), whose sum is σ = 7233408. Its totient is φ = 2054400.

The previous prime is 4099093. The next prime is 4099133. The reversal of 4099125 is 5219904.

It is a happy number.

It is not a de Polignac number, because 4099125 - 2⁵ = 4099093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4099092 and 4099101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6054 + ... + 6696.

It is an arithmetic number, because the mean of its divisors is an integer number (226044).

Almost surely, 2^4099125 is an apocalyptic number.

It is an amenable number.

4099125 is a deficient number, since it is larger than the sum of its proper divisors (3134283).

4099125 is a wasteful number, since it uses less digits than its factorization.

4099125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 4099125 is about 2024.6295957533. The cubic root of 4099125 is about 160.0406797605.

It can be divided in two parts, 4099 and 125, that added together give a palindrome (4224).

The spelling of 4099125 in words is "four million, ninety-nine thousand, one hundred twenty-five".