1152522312 has 64 divisors (see below), whose sum is σ = 2965066560. Its totient is φ = 373152000.

The previous prime is 1152522271. The next prime is 1152522323. The reversal of 1152522312 is 2132252511.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123987 + ... + 132957.

It is an arithmetic number, because the mean of its divisors is an integer number (46329165).

Almost surely, 2^1152522312 is an apocalyptic number.

1152522312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1152522312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1482533280).

1152522312 is an abundant number, since it is smaller than the sum of its proper divisors (1812544248).

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

1152522312 is a wasteful number, since it uses less digits than its factorization.

1152522312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9134 (or 9130 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 1152522312 is about 33948.8190074412. The cubic root of 1152522312 is about 1048.4549648427.

Adding to 1152522312 its reverse (2132252511), we get a palindrome (3284774823).

The spelling of 1152522312 in words is "one billion, one hundred fifty-two million, five hundred twenty-two thousand, three hundred twelve".