1141284271 has 4 divisors (see below), whose sum is σ = 1142179272. Its totient is φ = 1140389272.

The previous prime is 1141284247. The next prime is 1141284281. The reversal of 1141284271 is 1724821411.

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-1141284271 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 (1141284211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445585 + ... + 448138.

It is an arithmetic number, because the mean of its divisors is an integer number (285544818).

Almost surely, 2^1141284271 is an apocalyptic number.

1141284271 is a deficient number, since it is larger than the sum of its proper divisors (895001).

1141284271 is an equidigital number, since it uses as much as digits as its factorization.

1141284271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895000.

The product of its digits is 3584, while the sum is 31.

The square root of 1141284271 is about 33782.8990911082. The cubic root of 1141284271 is about 1045.0360620325.

The spelling of 1141284271 in words is "one billion, one hundred forty-one million, two hundred eighty-four thousand, two hundred seventy-one".