41666121 has 36 divisors (see below), whose sum is σ = 70744752. Its totient is φ = 23559984.

The previous prime is 41666117. The next prime is 41666129. The reversal of 41666121 is 12166614.

It is not a de Polignac number, because 41666121 - 2² = 41666117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41666129) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 46746 + ... + 47628.

It is an arithmetic number, because the mean of its divisors is an integer number (1965132).

Almost surely, 2^41666121 is an apocalyptic number.

It is an amenable number.

41666121 is a deficient number, since it is larger than the sum of its proper divisors (29078631).

41666121 is a wasteful number, since it uses less digits than its factorization.

41666121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 1000 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 41666121 is about 6454.9299763824. The cubic root of 41666121 is about 346.6791237922.

The spelling of 41666121 in words is "forty-one million, six hundred sixty-six thousand, one hundred twenty-one".