1065120264 has 96 divisors (see below), whose sum is σ = 3117441600. Its totient is φ = 326586240.

The previous prime is 1065120241. The next prime is 1065120269. The reversal of 1065120264 is 4620215601.

1065120264 is a `hidden beast` number, since 1 + 0 + 651 + 2 + 0 + 2 + 6 + 4 = 666.

It is a super-2 number, since 2×1065120264² = 2268962353566859392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065120269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289267 + ... + 292925.

It is an arithmetic number, because the mean of its divisors is an integer number (32473350).

Almost surely, 2^1065120264 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 1065120264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1558720800).

1065120264 is an abundant number, since it is smaller than the sum of its proper divisors (2052321336).

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

1065120264 is a wasteful number, since it uses less digits than its factorization.

1065120264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3995 (or 3988 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1065120264 is about 32636.1802912044. The cubic root of 1065120264 is about 1021.2519114936.

Adding to 1065120264 its reverse (4620215601), we get a palindrome (5685335865).

The spelling of 1065120264 in words is "one billion, sixty-five million, one hundred twenty thousand, two hundred sixty-four".