1153305234 has 48 divisors (see below), whose sum is σ = 2599646400. Its totient is φ = 369075168.

The previous prime is 1153305227. The next prime is 1153305239. The reversal of 1153305234 is 4325033511.

It is a super-2 number, since 2×1153305234² = 2660225925543589512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1153305198 and 1153305207.

It is not an unprimeable number, because it can be changed into a prime (1153305239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87267 + ... + 99609.

It is an arithmetic number, because the mean of its divisors is an integer number (54159300).

Almost surely, 2^1153305234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1153305234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1299823200).

1153305234 is an abundant number, since it is smaller than the sum of its proper divisors (1446341166).

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

1153305234 is a wasteful number, since it uses less digits than its factorization.

1153305234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12559 (or 12556 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1153305234 is about 33960.3479664152. The cubic root of 1153305234 is about 1048.6923203792.

Adding to 1153305234 its reverse (4325033511), we get a palindrome (5478338745).

The spelling of 1153305234 in words is "one billion, one hundred fifty-three million, three hundred five thousand, two hundred thirty-four".