205104124 has 24 divisors (see below), whose sum is σ = 371901600. Its totient is φ = 98857920.

The previous prime is 205104113. The next prime is 205104157. The reversal of 205104124 is 421401502.

It is a congruent number.

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, 108217 + ... + 110095.

It is an arithmetic number, because the mean of its divisors is an integer number (15495900).

Almost surely, 2^205104124 is an apocalyptic number.

It is an amenable number.

205104124 is a deficient number, since it is larger than the sum of its proper divisors (166797476).

205104124 is a wasteful number, since it uses less digits than its factorization.

205104124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853 (or 2851 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 205104124 is about 14321.4567694770. The cubic root of 205104124 is about 589.7366669337.

Adding to 205104124 its reverse (421401502), we get a palindrome (626505626).

It can be divided in two parts, 205 and 104124, that added together give a square (104329 = 323²).

The spelling of 205104124 in words is "two hundred five million, one hundred four thousand, one hundred twenty-four".