1153203124 has 24 divisors (see below), whose sum is σ = 2094042440. Its totient is φ = 555227136.

The previous prime is 1153203113. The next prime is 1153203127. The reversal of 1153203124 is 4213023511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 563587600 + 589615524 = 23740^2 + 24282^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1153203095 and 1153203104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153203127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25809 + ... + 54520.

Almost surely, 2^1153203124 is an apocalyptic number.

It is an amenable number.

1153203124 is a deficient number, since it is larger than the sum of its proper divisors (940839316).

1153203124 is a wasteful number, since it uses less digits than its factorization.

1153203124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80467 (or 80465 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1153203124 is about 33958.8445622050. The cubic root of 1153203124 is about 1048.6613701647.

Adding to 1153203124 its reverse (4213023511), we get a palindrome (5366226635).

The spelling of 1153203124 in words is "one billion, one hundred fifty-three million, two hundred three thousand, one hundred twenty-four".