1141213320 has 128 divisors (see below), whose sum is σ = 4096713600. Its totient is φ = 280910592.

The previous prime is 1141213319. The next prime is 1141213351. The reversal of 1141213320 is 233121411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1141213293 and 1141213302.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26602 + ... + 54681.

It is an arithmetic number, because the mean of its divisors is an integer number (32005575).

Almost surely, 2^1141213320 is an apocalyptic number.

1141213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141213320 is an abundant number, since it is smaller than the sum of its proper divisors (2955500280).

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

1141213320 is a wasteful number, since it uses less digits than its factorization.

1141213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81316 (or 81306 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1141213320 is about 33781.8489724882. The cubic root of 1141213320 is about 1045.0144057598.

Adding to 1141213320 its reverse (233121411), we get a palindrome (1374334731).

The spelling of 1141213320 in words is "one billion, one hundred forty-one million, two hundred thirteen thousand, three hundred twenty".