1141342421 has 8 divisors (see below), whose sum is σ = 1169044800. Its totient is φ = 1113692832.

The previous prime is 1141342403. The next prime is 1141342427. The reversal of 1141342421 is 1242431411.

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

It is a cyclic number.

It is not a de Polignac number, because 1141342421 - 2¹⁴ = 1141326037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141342427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32456 + ... + 57758.

It is an arithmetic number, because the mean of its divisors is an integer number (146130600).

Almost surely, 2^1141342421 is an apocalyptic number.

It is an amenable number.

1141342421 is a deficient number, since it is larger than the sum of its proper divisors (27702379).

1141342421 is a wasteful number, since it uses less digits than its factorization.

1141342421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26395.

The product of its digits is 768, while the sum is 23.

The square root of 1141342421 is about 33783.7597226833. The cubic root of 1141342421 is about 1045.0538104049.

Adding to 1141342421 its reverse (1242431411), we get a palindrome (2383773832).

The spelling of 1141342421 in words is "one billion, one hundred forty-one million, three hundred forty-two thousand, four hundred twenty-one".