8121941 has 8 divisors (see below), whose sum is σ = 8293824. Its totient is φ = 7951680.

The previous prime is 8121923. The next prime is 8121947. The reversal of 8121941 is 1491218.

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 8121941 - 2⁶ = 8121877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8121941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8121947) 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, 15896 + ... + 16398.

It is an arithmetic number, because the mean of its divisors is an integer number (1036728).

Almost surely, 2^8121941 is an apocalyptic number.

It is an amenable number.

8121941 is a deficient number, since it is larger than the sum of its proper divisors (171883).

8121941 is a wasteful number, since it uses less digits than its factorization.

8121941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811.

The product of its digits is 576, while the sum is 26.

The square root of 8121941 is about 2849.9019281372. The cubic root of 8121941 is about 201.0110552239.

It can be divided in two parts, 81 and 21941, that added together give a palindrome (22022).

The spelling of 8121941 in words is "eight million, one hundred twenty-one thousand, nine hundred forty-one".