205134124 has 24 divisors (see below), whose sum is σ = 387284240. Its totient is φ = 94509504.

The previous prime is 205134119. The next prime is 205134133. The reversal of 205134124 is 421431502.

It is a junction number, because it is equal to n+sod(n) for n = 205134095 and 205134104.

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, 29002 + ... + 35374.

Almost surely, 2^205134124 is an apocalyptic number.

It is an amenable number.

205134124 is a deficient number, since it is larger than the sum of its proper divisors (182150116).

205134124 is a wasteful number, since it uses less digits than its factorization.

205134124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7009 (or 7007 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 205134124 is about 14322.5041106644. The cubic root of 205134124 is about 589.7654185699.

Adding to 205134124 its reverse (421431502), we get a palindrome (626565626).

The spelling of 205134124 in words is "two hundred five million, one hundred thirty-four thousand, one hundred twenty-four".