2240121 has 16 divisors (see below), whose sum is σ = 3265920. Its totient is φ = 1357440.

The previous prime is 2240113. The next prime is 2240137. The reversal of 2240121 is 1210422.

2240121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2240121 - 2³ = 2240113 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2240097 and 2240106.

It is not an unprimeable number, because it can be changed into a prime (2240101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2365 + ... + 3173.

It is an arithmetic number, because the mean of its divisors is an integer number (204120).

2^2240121 is an apocalyptic number.

It is an amenable number.

2240121 is a deficient number, since it is larger than the sum of its proper divisors (1025799).

2240121 is a wasteful number, since it uses less digits than its factorization.

2240121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896.

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

The square root of 2240121 is about 1496.7033774265. The cubic root of 2240121 is about 130.8450083117.

Adding to 2240121 its reverse (1210422), we get a palindrome (3450543).

It can be divided in two parts, 22401 and 21, that added together give a palindrome (22422).

The spelling of 2240121 in words is "two million, two hundred forty thousand, one hundred twenty-one".