1153121160 has 64 divisors (see below), whose sum is σ = 3461875200. Its totient is φ = 307275776.

The previous prime is 1153121147. The next prime is 1153121173. The reversal of 1153121160 is 611213511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1153121147) and next prime (1153121173).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224137 + ... + 229223.

It is an arithmetic number, because the mean of its divisors is an integer number (54091800).

Almost surely, 2^1153121160 is an apocalyptic number.

1153121160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153121160 is an abundant number, since it is smaller than the sum of its proper divisors (2308754040).

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

1153121160 is a wasteful number, since it uses less digits than its factorization.

1153121160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6990 (or 6986 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1153121160 is about 33957.6377270269. The cubic root of 1153121160 is about 1048.6365250138.

Adding to 1153121160 its reverse (611213511), we get a palindrome (1764334671).

The spelling of 1153121160 in words is "one billion, one hundred fifty-three million, one hundred twenty-one thousand, one hundred sixty".