6121640227 has 8 divisors (see below), whose sum is σ = 6135100400. Its totient is φ = 6108195744.

The previous prime is 6121640207. The next prime is 6121640281. The reversal of 6121640227 is 7220461216.

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

It is a cyclic number.

It is not a de Polignac number, because 6121640227 - 2⁷ = 6121640099 is a prime.

It is a super-2 number, since 2×6121640227² = 74948958137649223058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6121640207) 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, 1078924 + ... + 1084582.

It is an arithmetic number, because the mean of its divisors is an integer number (766887550).

Almost surely, 2^6121640227 is an apocalyptic number.

6121640227 is a deficient number, since it is larger than the sum of its proper divisors (13460173).

6121640227 is a wasteful number, since it uses less digits than its factorization.

6121640227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7845.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 6121640227 is about 78240.9114658054. The cubic root of 6121640227 is about 1829.3182513331.

The spelling of 6121640227 in words is "six billion, one hundred twenty-one million, six hundred forty thousand, two hundred twenty-seven".