4120515 has 48 divisors (see below), whose sum is σ = 8306688. Its totient is φ = 1850688.

The previous prime is 4120483. The next prime is 4120517. The reversal of 4120515 is 5150214.

4120515 = 536² + 537² + ... + 549².

It is not a de Polignac number, because 4120515 - 2⁵ = 4120483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4120517) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32382 + ... + 32508.

It is an arithmetic number, because the mean of its divisors is an integer number (173056).

Almost surely, 2^4120515 is an apocalyptic number.

4120515 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4120515 is an abundant number, since it is smaller than the sum of its proper divisors (4186173).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4120515 is a wasteful number, since it uses less digits than its factorization.

4120515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 4120515 is about 2029.9051701988. The cubic root of 4120515 is about 160.3185710114.

Adding to 4120515 its reverse (5150214), we get a palindrome (9270729).

The spelling of 4120515 in words is "four million, one hundred twenty thousand, five hundred fifteen".