1153413220 has 12 divisors (see below), whose sum is σ = 2422167804. Its totient is φ = 461365280.

The previous prime is 1153413199. The next prime is 1153413251. The reversal of 1153413220 is 223143511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 180472356 + 972940864 = 13434^2 + 31192^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1153413191 and 1153413200.

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, 28835311 + ... + 28835350.

It is an arithmetic number, because the mean of its divisors is an integer number (201847317).

Almost surely, 2^1153413220 is an apocalyptic number.

1153413220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153413220 is an abundant number, since it is smaller than the sum of its proper divisors (1268754584).

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

1153413220 is a wasteful number, since it uses less digits than its factorization.

1153413220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57670670 (or 57670668 counting only the distinct ones).

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

The square root of 1153413220 is about 33961.9378127927. The cubic root of 1153413220 is about 1048.7250496606.

Adding to 1153413220 its reverse (223143511), we get a palindrome (1376556731).

The spelling of 1153413220 in words is "one billion, one hundred fifty-three million, four hundred thirteen thousand, two hundred twenty".