1065017984 has 16 divisors (see below), whose sum is σ = 2121715770. Its totient is φ = 532508928.

The previous prime is 1065017983. The next prime is 1065018037. The reversal of 1065017984 is 4897105601.

It can be written as a sum of positive squares in only one way, i.e., 1006158400 + 58859584 = 31720^2 + 7672^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×1065017984² = 2268526612486848512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065017983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4160099 + ... + 4160354.

Almost surely, 2^1065017984 is an apocalyptic number.

It is an amenable number.

1065017984 is a deficient number, since it is larger than the sum of its proper divisors (1056697786).

1065017984 is an frugal number, since it uses more digits than its factorization.

1065017984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8320467 (or 8320455 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 1065017984 is about 32634.6132809935. The cubic root of 1065017984 is about 1021.2192212918.

The spelling of 1065017984 in words is "one billion, sixty-five million, seventeen thousand, nine hundred eighty-four".