1141421343 has 8 divisors (see below), whose sum is σ = 1522052400. Its totient is φ = 760868928.

The previous prime is 1141421339. The next prime is 1141421363. The reversal of 1141421343 is 3431241411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1141421343 - 2² = 1141421339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141421363) 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 7 ways as a sum of consecutive naturals, for example, 40573 + ... + 62681.

It is an arithmetic number, because the mean of its divisors is an integer number (190256550).

Almost surely, 2^1141421343 is an apocalyptic number.

1141421343 is a deficient number, since it is larger than the sum of its proper divisors (380631057).

1141421343 is a wasteful number, since it uses less digits than its factorization.

1141421343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39321.

The product of its digits is 1152, while the sum is 24.

The square root of 1141421343 is about 33784.9277489238. The cubic root of 1141421343 is about 1045.0778977820.

Adding to 1141421343 its reverse (3431241411), we get a palindrome (4572662754).

The spelling of 1141421343 in words is "one billion, one hundred forty-one million, four hundred twenty-one thousand, three hundred forty-three".