1047271141 has 4 divisors (see below), whose sum is σ = 1196881312. Its totient is φ = 897660972.

The previous prime is 1047271139. The next prime is 1047271153. The reversal of 1047271141 is 1411727401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1411727401 = 7 ⋅201675343.

It is a cyclic number.

It is not a de Polignac number, because 1047271141 - 2¹ = 1047271139 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 (1047271441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74805075 + ... + 74805088.

It is an arithmetic number, because the mean of its divisors is an integer number (299220328).

Almost surely, 2^1047271141 is an apocalyptic number.

It is an amenable number.

1047271141 is a deficient number, since it is larger than the sum of its proper divisors (149610171).

1047271141 is an equidigital number, since it uses as much as digits as its factorization.

1047271141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149610170.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 1047271141 is about 32361.5688896568. The cubic root of 1047271141 is about 1015.5150842418.

Adding to 1047271141 its reverse (1411727401), we get a palindrome (2458998542).

The spelling of 1047271141 in words is "one billion, forty-seven million, two hundred seventy-one thousand, one hundred forty-one".