1141322320 has 20 divisors (see below), whose sum is σ = 2653574580. Its totient is φ = 456528896.

The previous prime is 1141322233. The next prime is 1141322327. The reversal of 1141322320 is 232231411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 351487504 + 789834816 = 18748^2 + 28104^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141322327) 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, 7133185 + ... + 7133344.

It is an arithmetic number, because the mean of its divisors is an integer number (132678729).

Almost surely, 2^1141322320 is an apocalyptic number.

1141322320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141322320 is an abundant number, since it is smaller than the sum of its proper divisors (1512252260).

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

1141322320 is a wasteful number, since it uses less digits than its factorization.

1141322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14266542 (or 14266536 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1141322320 is about 33783.4622263616. The cubic root of 1141322320 is about 1045.0476753048.

Adding to 1141322320 its reverse (232231411), we get a palindrome (1373553731).

Subtracting from 1141322320 its reverse (232231411), we obtain a palindrome (909090909).

It can be divided in two parts, 11413 and 22320, that added together give a palindrome (33733).

The spelling of 1141322320 in words is "one billion, one hundred forty-one million, three hundred twenty-two thousand, three hundred twenty".