9871942201 has 8 divisors (see below), whose sum is σ = 10809134208. Its totient is φ = 8941374000.

The previous prime is 9871942187. The next prime is 9871942231. The reversal of 9871942201 is 1022491789.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9871942201 - 2¹¹ = 9871940153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9871942231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1652830 + ... + 1658791.

It is an arithmetic number, because the mean of its divisors is an integer number (1351141776).

Almost surely, 2^9871942201 is an apocalyptic number.

It is an amenable number.

9871942201 is a deficient number, since it is larger than the sum of its proper divisors (937192007).

9871942201 is a wasteful number, since it uses less digits than its factorization.

9871942201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311903.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 9871942201 is about 99357.6479240526. The cubic root of 9871942201 is about 2145.1987471492.

The spelling of 9871942201 in words is "nine billion, eight hundred seventy-one million, nine hundred forty-two thousand, two hundred one".