41406121 has 4 divisors (see below), whose sum is σ = 41442192. Its totient is φ = 41370052.

The previous prime is 41406109. The next prime is 41406137. The reversal of 41406121 is 12160414.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41406121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41406151) 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, 16255 + ... + 18628.

It is an arithmetic number, because the mean of its divisors is an integer number (10360548).

Almost surely, 2^41406121 is an apocalyptic number.

It is an amenable number.

41406121 is a deficient number, since it is larger than the sum of its proper divisors (36071).

41406121 is a wasteful number, since it uses less digits than its factorization.

41406121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36070.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 41406121 is about 6434.7588144390. The cubic root of 41406121 is about 345.9565166378.

Adding to 41406121 its reverse (12160414), we get a palindrome (53566535).

The spelling of 41406121 in words is "forty-one million, four hundred six thousand, one hundred twenty-one".