1047851071 has 4 divisors (see below), whose sum is σ = 1051199152. Its totient is φ = 1044502992.

The previous prime is 1047851069. The next prime is 1047851081. The reversal of 1047851071 is 1701587401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1701587401 = 41011 ⋅41491.

It is a cyclic number.

It is not a de Polignac number, because 1047851071 - 2¹ = 1047851069 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 (1047851081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1673571 + ... + 1674196.

It is an arithmetic number, because the mean of its divisors is an integer number (262799788).

Almost surely, 2^1047851071 is an apocalyptic number.

1047851071 is a deficient number, since it is larger than the sum of its proper divisors (3348081).

1047851071 is an equidigital number, since it uses as much as digits as its factorization.

1047851071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3348080.

The product of its (nonzero) digits is 7840, while the sum is 34.

The square root of 1047851071 is about 32370.5278146650. The cubic root of 1047851071 is about 1015.7024979771.

The spelling of 1047851071 in words is "one billion, forty-seven million, eight hundred fifty-one thousand, seventy-one".