40110121 has 4 divisors (see below), whose sum is σ = 42221200. Its totient is φ = 37999044.

The previous prime is 40110107. The next prime is 40110151. The reversal of 40110121 is 12101104.

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 40110121 - 2⁹ = 40109609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40110098 and 40110107.

It is not an unprimeable number, because it can be changed into a prime (40110151) 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, 1055511 + ... + 1055548.

It is an arithmetic number, because the mean of its divisors is an integer number (10555300).

Almost surely, 2^40110121 is an apocalyptic number.

It is an amenable number.

40110121 is a deficient number, since it is larger than the sum of its proper divisors (2111079).

40110121 is a wasteful number, since it uses less digits than its factorization.

40110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111078.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 40110121 is about 6333.2551661843. The cubic root of 40110121 is about 342.3087422069.

Adding to 40110121 its reverse (12101104), we get a palindrome (52211225).

The spelling of 40110121 in words is "forty million, one hundred ten thousand, one hundred twenty-one".