1153220608 has 60 divisors (see below), whose sum is σ = 2347427880. Its totient is φ = 566362112.

The previous prime is 1153220603. The next prime is 1153220611. The reversal of 1153220608 is 8060223511.

It is not an unprimeable number, because it can be changed into a prime (1153220603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966060 + ... + 967252.

It is an arithmetic number, because the mean of its divisors is an integer number (39123798).

Almost surely, 2^1153220608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1153220608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1173713940).

1153220608 is an abundant number, since it is smaller than the sum of its proper divisors (1194207272).

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

1153220608 is an frugal number, since it uses more digits than its factorization.

1153220608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1153220608 is about 33959.1019904826. The cubic root of 1153220608 is about 1048.6666698101. Note that the first 5 decimals are identical.

The spelling of 1153220608 in words is "one billion, one hundred fifty-three million, two hundred twenty thousand, six hundred eight".