1152530944 has 40 divisors (see below), whose sum is σ = 2306414880. Its totient is φ = 575364096.

The previous prime is 1152530941. The next prime is 1152530947. The reversal of 1152530944 is 4490352511.

It is an interprime number because it is at equal distance from previous prime (1152530941) and next prime (1152530947).

It is a super-2 number, since 2×1152530944² = 2656655153755062272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1152530941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428227 + ... + 430909.

It is an arithmetic number, because the mean of its divisors is an integer number (57660372).

Almost surely, 2^1152530944 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 1152530944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1153207440).

1152530944 is an abundant number, since it is smaller than the sum of its proper divisors (1153883936).

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

1152530944 is an frugal number, since it uses more digits than its factorization.

1152530944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540 (or 3524 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1152530944 is about 33948.9461397552. The cubic root of 1152530944 is about 1048.4575823598.

The spelling of 1152530944 in words is "one billion, one hundred fifty-two million, five hundred thirty thousand, nine hundred forty-four".