4200115 has 4 divisors (see below), whose sum is σ = 5040144. Its totient is φ = 3360088.

The previous prime is 4200113. The next prime is 4200127. The reversal of 4200115 is 5110024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4200115 - 2¹ = 4200113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4200095 and 4200104.

It is not an unprimeable number, because it can be changed into a prime (4200113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420007 + ... + 420016.

It is an arithmetic number, because the mean of its divisors is an integer number (1260036).

Almost surely, 2^4200115 is an apocalyptic number.

4200115 is a deficient number, since it is larger than the sum of its proper divisors (840029).

4200115 is an equidigital number, since it uses as much as digits as its factorization.

4200115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840028.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 4200115 is about 2049.4182101270. The cubic root of 4200115 is about 161.3443371628.

Adding to 4200115 its reverse (5110024), we get a palindrome (9310139).

Subtracting 4200115 from its reverse (5110024), we obtain a palindrome (909909).

The spelling of 4200115 in words is "four million, two hundred thousand, one hundred fifteen".