1024642205 has 8 divisors (see below), whose sum is σ = 1230338904. Its totient is φ = 819201600.

The previous prime is 1024642187. The next prime is 1024642217. The reversal of 1024642205 is 5022464201.

It can be written as a sum of positive squares in 4 ways, for example, as 338044996 + 686597209 = 18386^2 + 26203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1024642205 - 2¹⁶ = 1024576669 is a prime.

It is a Duffinian number.

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, 55106 + ... + 71315.

It is an arithmetic number, because the mean of its divisors is an integer number (153792363).

Almost surely, 2^1024642205 is an apocalyptic number.

It is an amenable number.

1024642205 is a deficient number, since it is larger than the sum of its proper divisors (205696699).

1024642205 is a wasteful number, since it uses less digits than its factorization.

1024642205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128047.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1024642205 is about 32010.0328803330. The cubic root of 1024642205 is about 1008.1475061940.

The spelling of 1024642205 in words is "one billion, twenty-four million, six hundred forty-two thousand, two hundred five".