1150321120 has 96 divisors (see below), whose sum is σ = 3005983008. Its totient is φ = 413227008.

The previous prime is 1150321111. The next prime is 1150321141. The reversal of 1150321120 is 211230511.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1150321094 and 1150321103.

It is a congruent number.

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, 69487 + ... + 84433.

It is an arithmetic number, because the mean of its divisors is an integer number (31312323).

Almost surely, 2^1150321120 is an apocalyptic number.

1150321120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1150321120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1502991504).

1150321120 is an abundant number, since it is smaller than the sum of its proper divisors (1855661888).

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

1150321120 is a wasteful number, since it uses less digits than its factorization.

1150321120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15012 (or 15004 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1150321120 is about 33916.3842412484. The cubic root of 1150321120 is about 1047.7870612179.

Adding to 1150321120 its reverse (211230511), we get a palindrome (1361551631).

It can be divided in two parts, 11503 and 21120, that added together give a palindrome (32623).

The spelling of 1150321120 in words is "one billion, one hundred fifty million, three hundred twenty-one thousand, one hundred twenty".