4040121 has 8 divisors (see below), whose sum is σ = 5403744. Its totient is φ = 2684960.

The previous prime is 4040119. The next prime is 4040123. The reversal of 4040121 is 1210404.

It is an interprime number because it is at equal distance from previous prime (4040119) and next prime (4040123).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4040121 - 2¹ = 4040119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4040097 and 4040106.

It is not an unprimeable number, because it can be changed into a prime (4040123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900 + ... + 2981.

It is an arithmetic number, because the mean of its divisors is an integer number (675468).

Almost surely, 2^4040121 is an apocalyptic number.

It is an amenable number.

4040121 is a deficient number, since it is larger than the sum of its proper divisors (1363623).

4040121 is a wasteful number, since it uses less digits than its factorization.

4040121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4231.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 4040121 is about 2010.0052238738. The cubic root of 4040121 is about 159.2690748666.

Adding to 4040121 its reverse (1210404), we get a palindrome (5250525).

The spelling of 4040121 in words is "four million, forty thousand, one hundred twenty-one".