41985121 has 8 divisors (see below), whose sum is σ = 45657000. Its totient is φ = 38446848.

The previous prime is 41985113. The next prime is 41985133. The reversal of 41985121 is 12158914.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23184225 + 18800896 = 4815^2 + 4336^2 .

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

It is not a de Polignac number, because 41985121 - 2³ = 41985113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41985161) 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, 32746 + ... + 34003.

It is an arithmetic number, because the mean of its divisors is an integer number (5707125).

Almost surely, 2^41985121 is an apocalyptic number.

It is an amenable number.

41985121 is a deficient number, since it is larger than the sum of its proper divisors (3671879).

41985121 is a wasteful number, since it uses less digits than its factorization.

41985121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66803.

The product of its digits is 2880, while the sum is 31.

The square root of 41985121 is about 6479.5926569500. The cubic root of 41985121 is about 347.5616121798.

The spelling of 41985121 in words is "forty-one million, nine hundred eighty-five thousand, one hundred twenty-one".