6121699 has 4 divisors (see below), whose sum is σ = 6165880. Its totient is φ = 6077520.

The previous prime is 6121681. The next prime is 6121721. The reversal of 6121699 is 9961216.

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 6121699 - 2¹³ = 6113507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6121679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21882 + ... + 22159.

It is an arithmetic number, because the mean of its divisors is an integer number (1541470).

Almost surely, 2^6121699 is an apocalyptic number.

6121699 is a deficient number, since it is larger than the sum of its proper divisors (44181).

6121699 is a wasteful number, since it uses less digits than its factorization.

6121699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44180.

The product of its digits is 5832, while the sum is 34.

The square root of 6121699 is about 2474.2067415638. The cubic root of 6121699 is about 182.9324105656.

The spelling of 6121699 in words is "six million, one hundred twenty-one thousand, six hundred ninety-nine".