1065057984 has 140 divisors (see below), whose sum is σ = 3234814968. Its totient is φ = 346291200.

The previous prime is 1065057971. The next prime is 1065057989. The reversal of 1065057984 is 4897505601.

1065057984 is a `hidden beast` number, since 10 + 65 + 0 + 579 + 8 + 4 = 666.

It is a super-2 number, since 2×1065057984² = 2268697018564288512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065057989) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 210039 + ... + 215049.

Almost surely, 2^1065057984 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 1065057984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1617407484).

1065057984 is an abundant number, since it is smaller than the sum of its proper divisors (2169756984).

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

1065057984 is an equidigital number, since it uses as much as digits as its factorization.

1065057984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5076 (or 5057 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 1065057984 is about 32635.2261214780. The cubic root of 1065057984 is about 1021.2320061330.

The spelling of 1065057984 in words is "one billion, sixty-five million, fifty-seven thousand, nine hundred eighty-four".