100492871 has 4 divisors (see below), whose sum is σ = 102196200. Its totient is φ = 98789544.

The previous prime is 100492867. The next prime is 100492883. The reversal of 100492871 is 178294001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 178294001 = 29 ⋅6148069.

It is a cyclic number.

It is not a de Polignac number, because 100492871 - 2² = 100492867 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 (100492841) 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, 851576 + ... + 851693.

It is an arithmetic number, because the mean of its divisors is an integer number (25549050).

Almost surely, 2^100492871 is an apocalyptic number.

100492871 is a deficient number, since it is larger than the sum of its proper divisors (1703329).

100492871 is an equidigital number, since it uses as much as digits as its factorization.

100492871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703328.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 100492871 is about 10024.6132593732. The cubic root of 100492871 is about 464.9202021314.

The spelling of 100492871 in words is "one hundred million, four hundred ninety-two thousand, eight hundred seventy-one".