2604121 has 12 divisors (see below), whose sum is σ = 2971920. Its totient is φ = 2274480.

The previous prime is 2604101. The next prime is 2604127. The reversal of 2604121 is 1214062.

2604121 = T₃ + T₄ + ... + T₂₄₉.

It is not a de Polignac number, because 2604121 - 2¹¹ = 2602073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2604095 and 2604104.

It is not an unprimeable number, because it can be changed into a prime (2604127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2806 + ... + 3616.

It is an arithmetic number, because the mean of its divisors is an integer number (247660).

2^2604121 is an apocalyptic number.

It is an amenable number.

2604121 is a deficient number, since it is larger than the sum of its proper divisors (367799).

2604121 is a wasteful number, since it uses less digits than its factorization.

2604121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856 (or 843 counting only the distinct ones).

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

The square root of 2604121 is about 1613.7289115586. The cubic root of 2604121 is about 137.5794978298.

Adding to 2604121 its reverse (1214062), we get a palindrome (3818183).

It can be divided in two parts, 26041 and 21, that added together give a palindrome (26062).

The spelling of 2604121 in words is "two million, six hundred four thousand, one hundred twenty-one".