40341121 has 4 divisors (see below), whose sum is σ = 40364244. Its totient is φ = 40318000.

The previous prime is 40341107. The next prime is 40341127. The reversal of 40341121 is 12114304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22193521 + 18147600 = 4711^2 + 4260^2 .

It is a cyclic number.

It is not a de Polignac number, because 40341121 - 2¹¹ = 40339073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40341095 and 40341104.

It is not an unprimeable number, because it can be changed into a prime (40341127) 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, 8710 + ... + 12511.

It is an arithmetic number, because the mean of its divisors is an integer number (10091061).

Almost surely, 2^40341121 is an apocalyptic number.

It is an amenable number.

40341121 is a deficient number, since it is larger than the sum of its proper divisors (23123).

40341121 is a wasteful number, since it uses less digits than its factorization.

40341121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23122.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 40341121 is about 6351.4660512357. The cubic root of 40341121 is about 342.9646199344.

Adding to 40341121 its reverse (12114304), we get a palindrome (52455425).

The spelling of 40341121 in words is "forty million, three hundred forty-one thousand, one hundred twenty-one".