1000048871 has 4 divisors (see below), whose sum is σ = 1032308544. Its totient is φ = 967789200.

The previous prime is 1000048867. The next prime is 1000048877. The reversal of 1000048871 is 1788400001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1788400001 = 421 ⋅4247981.

It is a cyclic number.

It is not a de Polignac number, because 1000048871 - 2² = 1000048867 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 (1000048877) 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, 16129790 + ... + 16129851.

It is an arithmetic number, because the mean of its divisors is an integer number (258077136).

Almost surely, 2^1000048871 is an apocalyptic number.

1000048871 is a deficient number, since it is larger than the sum of its proper divisors (32259673).

1000048871 is an equidigital number, since it uses as much as digits as its factorization.

1000048871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32259672.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 1000048871 is about 31623.5493106008. The cubic root of 1000048871 is about 1000.0162900680.

Adding to 1000048871 its reverse (1788400001), we get a palindrome (2788448872).

The spelling of 1000048871 in words is "one billion, forty-eight thousand, eight hundred seventy-one".