1141020343 has 4 divisors (see below), whose sum is σ = 1141131888. Its totient is φ = 1140908800.

The previous prime is 1141020337. The next prime is 1141020367. The reversal of 1141020343 is 3430201411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141020343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141020343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141020313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38683 + ... + 61468.

It is an arithmetic number, because the mean of its divisors is an integer number (285282972).

Almost surely, 2^1141020343 is an apocalyptic number.

1141020343 is a deficient number, since it is larger than the sum of its proper divisors (111545).

1141020343 is a wasteful number, since it uses less digits than its factorization.

1141020343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111544.

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

The square root of 1141020343 is about 33778.9926285554. The cubic root of 1141020343 is about 1044.9554991237.

Adding to 1141020343 its reverse (3430201411), we get a palindrome (4571221754).

The spelling of 1141020343 in words is "one billion, one hundred forty-one million, twenty thousand, three hundred forty-three".