1143021441 has 8 divisors (see below), whose sum is σ = 1524296704. Its totient is φ = 761880240.

The previous prime is 1143021433. The next prime is 1143021449. The reversal of 1143021441 is 1441203411.

It is an interprime number because it is at equal distance from previous prime (1143021433) and next prime (1143021449).

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

It is not a de Polignac number, because 1143021441 - 2³ = 1143021433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1143021449) 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, 11566 + ... + 49191.

It is an arithmetic number, because the mean of its divisors is an integer number (190537088).

Almost surely, 2^1143021441 is an apocalyptic number.

It is an amenable number.

1143021441 is a deficient number, since it is larger than the sum of its proper divisors (381275263).

1143021441 is an equidigital number, since it uses as much as digits as its factorization.

1143021441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67031.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1143021441 is about 33808.6001041155. The cubic root of 1143021441 is about 1045.5660161764.

Adding to 1143021441 its reverse (1441203411), we get a palindrome (2584224852).

The spelling of 1143021441 in words is "one billion, one hundred forty-three million, twenty-one thousand, four hundred forty-one".