204124115 has 12 divisors (see below), whose sum is σ = 265241664. Its totient is φ = 150737184.

The previous prime is 204124099. The next prime is 204124157. The reversal of 204124115 is 511421402.

It is a happy number.

It is not a de Polignac number, because 204124115 - 2⁴ = 204124099 is a prime.

It is a super-4 number, since 4×204124115⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119939 + ... + 121628.

It is an arithmetic number, because the mean of its divisors is an integer number (22103472).

Almost surely, 2^204124115 is an apocalyptic number.

204124115 is a deficient number, since it is larger than the sum of its proper divisors (61117549).

204124115 is a wasteful number, since it uses less digits than its factorization.

204124115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241598 (or 241585 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 204124115 is about 14287.2010904865. The cubic root of 204124115 is about 588.7958924322.

Adding to 204124115 its reverse (511421402), we get a palindrome (715545517).

The spelling of 204124115 in words is "two hundred four million, one hundred twenty-four thousand, one hundred fifteen".