1141983447 has 8 divisors (see below), whose sum is σ = 1661066880. Its totient is φ = 692111160.

The previous prime is 1141983413. The next prime is 1141983463. The reversal of 1141983447 is 7443891411.

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

It is not a de Polignac number, because 1141983447 - 2⁷ = 1141983319 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1141983399 and 1141983408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141982447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17302747 + ... + 17302812.

It is an arithmetic number, because the mean of its divisors is an integer number (207633360).

Almost surely, 2^1141983447 is an apocalyptic number.

1141983447 is a deficient number, since it is larger than the sum of its proper divisors (519083433).

1141983447 is a wasteful number, since it uses less digits than its factorization.

1141983447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34605573.

The product of its digits is 96768, while the sum is 42.

The square root of 1141983447 is about 33793.2455825125. The cubic root of 1141983447 is about 1045.2494225410.

The spelling of 1141983447 in words is "one billion, one hundred forty-one million, nine hundred eighty-three thousand, four hundred forty-seven".