2041121405 has 16 divisors (see below), whose sum is σ = 2648609280. Its totient is φ = 1504142592.

The previous prime is 2041121393. The next prime is 2041121429. The reversal of 2041121405 is 5041211402.

It is a happy number.

It is not a de Polignac number, because 2041121405 - 2⁴ = 2041121389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251465 + ... + 259454.

It is an arithmetic number, because the mean of its divisors is an integer number (165538080).

Almost surely, 2^2041121405 is an apocalyptic number.

It is an amenable number.

2041121405 is a deficient number, since it is larger than the sum of its proper divisors (607487875).

2041121405 is a wasteful number, since it uses less digits than its factorization.

2041121405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510988.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2041121405 is about 45178.7716189805. The cubic root of 2041121405 is about 1268.4974904797.

Adding to 2041121405 its reverse (5041211402), we get a palindrome (7082332807).

The spelling of 2041121405 in words is "two billion, forty-one million, one hundred twenty-one thousand, four hundred five".