1064172205 has 8 divisors (see below), whose sum is σ = 1352124792. Its totient is φ = 801259008.

The previous prime is 1064172149. The next prime is 1064172217. The reversal of 1064172205 is 5022714601.

It can be written as a sum of positive squares in 4 ways, for example, as 207907561 + 856264644 = 14419^2 + 29262^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1064172205 - 2⁷ = 1064172077 is a prime.

It is a super-2 number, since 2×1064172205² = 2264924963789124050, which contains 22 as substring.

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, 6259752 + ... + 6259921.

It is an arithmetic number, because the mean of its divisors is an integer number (169015599).

Almost surely, 2^1064172205 is an apocalyptic number.

It is an amenable number.

1064172205 is a deficient number, since it is larger than the sum of its proper divisors (287952587).

1064172205 is a wasteful number, since it uses less digits than its factorization.

1064172205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12519695.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1064172205 is about 32621.6523953033. The cubic root of 1064172205 is about 1020.9488175594.

Adding to 1064172205 its reverse (5022714601), we get a palindrome (6086886806).

The spelling of 1064172205 in words is "one billion, sixty-four million, one hundred seventy-two thousand, two hundred five".