41973121 has 4 divisors (see below), whose sum is σ = 43420500. Its totient is φ = 40525744.

The previous prime is 41973097. The next prime is 41973167. The reversal of 41973121 is 12137914.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12137914 = 2 ⋅6068957.

It can be written as a sum of positive squares in 2 ways, for example, as 12390400 + 29582721 = 3520^2 + 5439^2 .

It is a cyclic number.

It is not a de Polignac number, because 41973121 - 2⁷ = 41972993 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 41973121.

It is not an unprimeable number, because it can be changed into a prime (41973521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723646 + ... + 723703.

It is an arithmetic number, because the mean of its divisors is an integer number (10855125).

Almost surely, 2^41973121 is an apocalyptic number.

It is an amenable number.

41973121 is a deficient number, since it is larger than the sum of its proper divisors (1447379).

41973121 is a wasteful number, since it uses less digits than its factorization.

41973121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447378.

The product of its digits is 1512, while the sum is 28.

The square root of 41973121 is about 6478.6666066406. Note that the first 4 decimals coincide. The cubic root of 41973121 is about 347.5284961881.

The spelling of 41973121 in words is "forty-one million, nine hundred seventy-three thousand, one hundred twenty-one".