1064120786 has 16 divisors (see below), whose sum is σ = 1605875544. Its totient is φ = 528837504.

The previous prime is 1064120779. The next prime is 1064120789. The reversal of 1064120786 is 6870214601.

It can be written as a sum of positive squares in 4 ways, for example, as 1042321225 + 21799561 = 32285^2 + 4669^2 .

It is a super-2 number, since 2×1064120786² = 2264706094394515592, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1064120789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313796 + ... + 317168.

Almost surely, 2^1064120786 is an apocalyptic number.

1064120786 is a deficient number, since it is larger than the sum of its proper divisors (541754758).

1064120786 is a wasteful number, since it uses less digits than its factorization.

1064120786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1064120786 is about 32620.8642742647. The cubic root of 1064120786 is about 1020.9323737881.

The spelling of 1064120786 in words is "one billion, sixty-four million, one hundred twenty thousand, seven hundred eighty-six".