2606121 has 16 divisors (see below), whose sum is σ = 4412800. Its totient is φ = 1489104.

The previous prime is 2606069. The next prime is 2606129. The reversal of 2606121 is 1216062.

It is a happy number.

It is not a de Polignac number, because 2606121 - 2⁹ = 2605609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2606094 and 2606103.

It is not an unprimeable number, because it can be changed into a prime (2606129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6706 + ... + 7083.

It is an arithmetic number, because the mean of its divisors is an integer number (275800).

2^2606121 is an apocalyptic number.

2606121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2606121 is a deficient number, since it is larger than the sum of its proper divisors (1806679).

2606121 is a wasteful number, since it uses less digits than its factorization.

2606121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13805 (or 13799 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2606121 is about 1614.3484753919. The cubic root of 2606121 is about 137.6147097860.

The spelling of 2606121 in words is "two million, six hundred six thousand, one hundred twenty-one".