205124061 has 16 divisors (see below), whose sum is σ = 284613120. Its totient is φ = 131300400.

The previous prime is 205124039. The next prime is 205124063. The reversal of 205124061 is 160421502.

It is not a de Polignac number, because 205124061 - 2¹⁴ = 205107677 is a prime.

It is a super-2 number, since 2×205124061² = 84151760802263442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205124063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5865 + ... + 21086.

It is an arithmetic number, because the mean of its divisors is an integer number (17788320).

Almost surely, 2^205124061 is an apocalyptic number.

It is an amenable number.

205124061 is a deficient number, since it is larger than the sum of its proper divisors (79489059).

205124061 is a wasteful number, since it uses less digits than its factorization.

205124061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27056.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 205124061 is about 14322.1528060554. The cubic root of 205124061 is about 589.7557746252.

Adding to 205124061 its reverse (160421502), we get a palindrome (365545563).

The spelling of 205124061 in words is "two hundred five million, one hundred twenty-four thousand, sixty-one".