40241121 has 4 divisors (see below), whose sum is σ = 53654832. Its totient is φ = 26827412.

The previous prime is 40241119. The next prime is 40241161. The reversal of 40241121 is 12114204.

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 not a de Polignac number, because 40241121 - 2¹ = 40241119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40241121.

It is not an unprimeable number, because it can be changed into a prime (40241161) 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, 6706851 + ... + 6706856.

It is an arithmetic number, because the mean of its divisors is an integer number (13413708).

Almost surely, 2^40241121 is an apocalyptic number.

It is an amenable number.

40241121 is a deficient number, since it is larger than the sum of its proper divisors (13413711).

40241121 is a wasteful number, since it uses less digits than its factorization.

40241121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13413710.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 40241121 is about 6343.5889683995. The cubic root of 40241121 is about 342.6809983349.

Adding to 40241121 its reverse (12114204), we get a palindrome (52355325).

The spelling of 40241121 in words is "forty million, two hundred forty-one thousand, one hundred twenty-one".