1165001024 has 112 divisors (see below), whose sum is σ = 2687458176. Its totient is φ = 495206400.

The previous prime is 1165000951. The next prime is 1165001027. The reversal of 1165001024 is 4201005611.

It is a junction number, because it is equal to n+sod(n) for n = 1165000987 and 1165001005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165001027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3721892 + ... + 3722204.

Almost surely, 2^1165001024 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 1165001024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1343729088).

1165001024 is an abundant number, since it is smaller than the sum of its proper divisors (1522457152).

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

1165001024 is a wasteful number, since it uses less digits than its factorization.

1165001024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1165001024 is about 34132.1113322924. Note that the first 3 decimals coincide. The cubic root of 1165001024 is about 1052.2253706168.

Adding to 1165001024 its reverse (4201005611), we get a palindrome (5366006635).

The spelling of 1165001024 in words is "one billion, one hundred sixty-five million, one thousand, twenty-four".