4021115 has 8 divisors (see below), whose sum is σ = 5514720. Its totient is φ = 2757312.

The previous prime is 4021099. The next prime is 4021151. The reversal of 4021115 is 5111204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4021115 - 2⁴ = 4021099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4021115.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57410 + ... + 57479.

It is an arithmetic number, because the mean of its divisors is an integer number (689340).

Almost surely, 2^4021115 is an apocalyptic number.

4021115 is a deficient number, since it is larger than the sum of its proper divisors (1493605).

4021115 is a wasteful number, since it uses less digits than its factorization.

4021115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114901.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 4021115 is about 2005.2718020259. The cubic root of 4021115 is about 159.0189315960.

Adding to 4021115 its reverse (5111204), we get a palindrome (9132319).

The spelling of 4021115 in words is "four million, twenty-one thousand, one hundred fifteen".