1065220672 has 112 divisors (see below), whose sum is σ = 2254617792. Its totient is φ = 498769920.

The previous prime is 1065220649. The next prime is 1065220691. The reversal of 1065220672 is 2760225601.

It is a super-2 number, since 2×1065220672² = 2269390160112263168, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12833943 + ... + 12834025.

It is an arithmetic number, because the mean of its divisors is an integer number (20130516).

Almost surely, 2^1065220672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1065220672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1127308896).

1065220672 is an abundant number, since it is smaller than the sum of its proper divisors (1189397120).

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

1065220672 is an equidigital number, since it uses as much as digits as its factorization.

1065220672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1065220672 is about 32637.7185477171. The cubic root of 1065220672 is about 1021.2840013409.

The spelling of 1065220672 in words is "one billion, sixty-five million, two hundred twenty thousand, six hundred seventy-two".