6121191 has 8 divisors (see below), whose sum is σ = 8300160. Its totient is φ = 4011512.

The previous prime is 6121121. The next prime is 6121201. The reversal of 6121191 is 1911216.

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 6121191 - 2¹⁰ = 6120167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6121121) 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, 17115 + ... + 17468.

It is an arithmetic number, because the mean of its divisors is an integer number (1037520).

Almost surely, 2^6121191 is an apocalyptic number.

6121191 is a deficient number, since it is larger than the sum of its proper divisors (2178969).

6121191 is a wasteful number, since it uses less digits than its factorization.

6121191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34645.

The product of its digits is 108, while the sum is 21.

The square root of 6121191 is about 2474.1040802682. The cubic root of 6121191 is about 182.9273503018.

The spelling of 6121191 in words is "six million, one hundred twenty-one thousand, one hundred ninety-one".