102271843 has 4 divisors (see below), whose sum is σ = 102473280. Its totient is φ = 102070408.

The previous prime is 102271817. The next prime is 102271901. The reversal of 102271843 is 348172201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102271843 - 2⁹ = 102271331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102071843) 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, 99955 + ... + 100972.

It is an arithmetic number, because the mean of its divisors is an integer number (25618320).

Almost surely, 2^102271843 is an apocalyptic number.

102271843 is a deficient number, since it is larger than the sum of its proper divisors (201437).

102271843 is an equidigital number, since it uses as much as digits as its factorization.

102271843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201436.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 102271843 is about 10112.9542172404. The cubic root of 102271843 is about 467.6475830201.

The spelling of 102271843 in words is "one hundred two million, two hundred seventy-one thousand, eight hundred forty-three".