6940121271 has 8 divisors (see below), whose sum is σ = 9254955264. Its totient is φ = 4626017400.

The previous prime is 6940121261. The next prime is 6940121297. The reversal of 6940121271 is 1721210496.

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 6940121271 - 2⁵ = 6940121239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940121231) 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, 159951 + ... + 198656.

It is an arithmetic number, because the mean of its divisors is an integer number (1156869408).

Almost surely, 2^6940121271 is an apocalyptic number.

6940121271 is a deficient number, since it is larger than the sum of its proper divisors (2314833993).

6940121271 is a wasteful number, since it uses less digits than its factorization.

6940121271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365061.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 6940121271 is about 83307.3902544066. The cubic root of 6940121271 is about 1907.4610848817.

The spelling of 6940121271 in words is "six billion, nine hundred forty million, one hundred twenty-one thousand, two hundred seventy-one".