1065979008 has 128 divisors (see below), whose sum is σ = 3223281600. Its totient is φ = 346613760.

The previous prime is 1065979007. The next prime is 1065979009. The reversal of 1065979008 is 8009795601.

It is an interprime number because it is at equal distance from previous prime (1065979007) and next prime (1065979009).

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×1065979008² = 2272622490993328128, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1065979001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137935 + ... + 145457.

Almost surely, 2^1065979008 is an apocalyptic number.

1065979008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1065979008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1611640800).

1065979008 is an abundant number, since it is smaller than the sum of its proper divisors (2157302592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1065979008 is an equidigital number, since it uses as much as digits as its factorization.

1065979008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7587 (or 7569 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 1065979008 is about 32649.3339595159. Note that the first 3 decimals coincide. The cubic root of 1065979008 is about 1021.5262962734.

The spelling of 1065979008 in words is "one billion, sixty-five million, nine hundred seventy-nine thousand, eight".