1024140205 has 32 divisors (see below), whose sum is σ = 1436859648. Its totient is φ = 693158400.

The previous prime is 1024140203. The next prime is 1024140241. The reversal of 1024140205 is 5020414201.

It is not a de Polignac number, because 1024140205 - 2¹ = 1024140203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024140203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35865 + ... + 57745.

It is an arithmetic number, because the mean of its divisors is an integer number (44901864).

Almost surely, 2^1024140205 is an apocalyptic number.

It is an amenable number.

1024140205 is a deficient number, since it is larger than the sum of its proper divisors (412719443).

1024140205 is a wasteful number, since it uses less digits than its factorization.

1024140205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21957.

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

The square root of 1024140205 is about 32002.1906281429. The cubic root of 1024140205 is about 1007.9828396996.

Adding to 1024140205 its reverse (5020414201), we get a palindrome (6044554406).

The spelling of 1024140205 in words is "one billion, twenty-four million, one hundred forty thousand, two hundred five".