1065267872 has 72 divisors (see below), whose sum is σ = 2247888384. Its totient is φ = 496806912.

The previous prime is 1065267859. The next prime is 1065267877. The reversal of 1065267872 is 2787625601.

It is a super-2 number, since 2×1065267872² = 2269591278230816768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065267877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1174043 + ... + 1174949.

It is an arithmetic number, because the mean of its divisors is an integer number (31220672).

Almost surely, 2^1065267872 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 1065267872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1123944192).

1065267872 is an abundant number, since it is smaller than the sum of its proper divisors (1182620512).

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

1065267872 is a wasteful number, since it uses less digits than its factorization.

1065267872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 1065267872 is about 32638.4416294651. The cubic root of 1065267872 is about 1021.2990855058.

The spelling of 1065267872 in words is "one billion, sixty-five million, two hundred sixty-seven thousand, eight hundred seventy-two".