4123921771 has 8 divisors (see below), whose sum is σ = 4271968080. Its totient is φ = 3976264992.

The previous prime is 4123921741. The next prime is 4123921777. The reversal of 4123921771 is 1771293214.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4123921771 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4123921771.

It is not an unprimeable number, because it can be changed into a prime (4123921777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75745 + ... + 118258.

It is an arithmetic number, because the mean of its divisors is an integer number (533996010).

Almost surely, 2^4123921771 is an apocalyptic number.

4123921771 is a deficient number, since it is larger than the sum of its proper divisors (148046309).

4123921771 is a wasteful number, since it uses less digits than its factorization.

4123921771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194765.

The product of its digits is 21168, while the sum is 37.

The square root of 4123921771 is about 64217.7683433487. The cubic root of 4123921771 is about 1603.6274172035.

The spelling of 4123921771 in words is "four billion, one hundred twenty-three million, nine hundred twenty-one thousand, seven hundred seventy-one".