1141121320 has 32 divisors (see below), whose sum is σ = 2571208200. Its totient is φ = 455793408.

The previous prime is 1141121309. The next prime is 1141121339. The reversal of 1141121320 is 231211411.

It can be written as a sum of positive squares in 4 ways, for example, as 845762724 + 295358596 = 29082^2 + 17186^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1141121294 and 1141121303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8242 + ... + 48478.

Almost surely, 2^1141121320 is an apocalyptic number.

1141121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141121320 is an abundant number, since it is smaller than the sum of its proper divisors (1430086880).

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

1141121320 is a wasteful number, since it uses less digits than its factorization.

1141121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40957 (or 40953 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1141121320 is about 33780.4872670600. The cubic root of 1141121320 is about 1044.9863233942.

Adding to 1141121320 its reverse (231211411), we get a palindrome (1372332731).

Subtracting from 1141121320 its reverse (231211411), we obtain a palindrome (909909909).

The spelling of 1141121320 in words is "one billion, one hundred forty-one million, one hundred twenty-one thousand, three hundred twenty".