1153621234 has 8 divisors (see below), whose sum is σ = 1731116268. Its totient is φ = 576582480.

The previous prime is 1153621219. The next prime is 1153621289. The reversal of 1153621234 is 4321263511.

It can be written as a sum of positive squares in 2 ways, for example, as 1153621225 + 9 = 33965^2 + 3^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107677 + ... + 117904.

Almost surely, 2^1153621234 is an apocalyptic number.

1153621234 is a deficient number, since it is larger than the sum of its proper divisors (577495034).

1153621234 is a wasteful number, since it uses less digits than its factorization.

1153621234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228140.

The product of its digits is 4320, while the sum is 28.

The square root of 1153621234 is about 33965.0001324893. Note that the first 3 decimals coincide. The cubic root of 1153621234 is about 1048.7880904905.

Adding to 1153621234 its reverse (4321263511), we get a palindrome (5474884745).

The spelling of 1153621234 in words is "one billion, one hundred fifty-three million, six hundred twenty-one thousand, two hundred thirty-four".